Answer:
B. 38 degrees North, 90 Degrees West.
Explanation:
Just checked on a map, definitely 38, 90.
Hope this helps! Let me know!
Answer:
b
Explanation:
This specimen has fracture, not cleavage. How do cleavage planes
differ from crystal faces?
Cleavage planes and crystal faces are two different features found in minerals.
Cleavage refers to the way a mineral breaks along planes of weakness, resulting in smooth, flat surfaces. It is a property related to the internal atomic arrangement of the mineral. Crystal faces, on the other hand, are the external geometric surfaces of a crystal that result from the growth and arrangement of its atoms or molecules.
Cleavage planes differ from crystal faces in several ways. Firstly, cleavage planes are determined by the mineral's internal structure and the arrangement of its atoms. They represent planes of weakness along which the mineral readily splits when subjected to force. Crystal faces, on the other hand, are the result of the crystal's growth and can have various geometric shapes and orientations depending on the crystal system.
Secondly, cleavage planes often exhibit characteristic patterns and specific angles of separation, which are determined by the mineral's crystal structure. In contrast, crystal faces can vary in their smoothness, luster, and surface features based on factors such as growth conditions, impurities, or external environmental influences.
Lastly, cleavage planes are related to the physical property of cleavage, which describes how minerals break along specific planes. Crystal faces, however, are primarily visual features that contribute to the overall external shape and symmetry of the crystal.
In summary, cleavage planes represent the internal planes of weakness along which minerals break, while crystal faces are the external geometric surfaces resulting from the crystal's growth and arrangement of atoms or molecules.
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how do you think human induced disaster is different from natural disaster
Answer: Natural disasters happen through natural events while man made are caused my a plan gone wrong by a male/ female
Explanation:
Answer:
In the explanation. :)
Explanation:
Natural disasters are from nature, they can't be stopped because nature is nature. Human induced disasters is basically using to more non-renewable resources than the earth provides. Human induced disasters are not meant to be done purposefully, but they are still making Earth a bad place.
Hope this helps, have a great day.
PLEASE ANSWER ILL MARK BRAINLIEST
Choose any 2 Cultural elements (religion, language, sports, holidays, clothing, economy, education) About Brazil and explain how this culture element has impact society
The Amazon River floods its banks each year. Why would a Brazilian farmer choose to live near a river that is guaranteed to flood?
A.
The river provides the only transportation available in Brazil.
B.
The beauty of the Amazon attracts farmers from many different places.
C.
During the flood, much-needed water is abundant.
D.
After the flood waters recede, rich soil is left behind.
Answer:
A farmer would choose to live in this area most likely because the land in here has many agricultural advantages that can be utilized for farming. Also, these lands are known to be the most fertile in that area. Flooding also helps in preventing weeds and keeping the soil healthy.
Explanation:
Answer:
A. The river provides the only transportation available in Brazil.
Explanation:
That is your Answer.
temperature does not change as the air parcel descends.
a. Use the starting temperature and humidity at point A to determine the starting dew point at point A.
b. Determine the temperature and dew point at all other points. [12 pts]
c. At what location will clouds begin to form (with relative humidity =100% )? Explain.
d. Why is the air temperature at point A different from that at G ?
e. Explain why mountains often have abundant precipitation on their windward slopes.
f. Explain why mountains often exhibit dry conditions on their leeward sides.
To determine the starting dew point at point A, we need the starting temperature and humidity at that point. Unfortunately, the starting temperature and humidity values at point A are not provided in the question. Without this information, it is not possible to calculate the dew point at point A.
b. Since the starting temperature and humidity at point A are not provided, we cannot determine the temperature and dew point at other points either. Without the initial conditions, we cannot track the changes in temperature and humidity as the air parcel descends.
c. Without the temperature and humidity data, we cannot determine the exact location where clouds will begin to form with a relative humidity of 100%. However, clouds typically begin to form when the air reaches its saturation point, which occurs when the temperature cools to the dew point temperature. At this temperature, the air becomes saturated, and further cooling results in the condensation of water vapor, leading to cloud formation.
d. The air temperature at point A is likely different from that at point G due to various factors such as altitude, geographical location, and local weather patterns. Point A and point G may be at different elevations, and temperature generally decreases with increasing altitude in the troposphere. Additionally, the geographical location of point A and point G can have different climate characteristics, which can result in variations in temperature.
e. Mountains often have abundant precipitation on their windward slopes due to a phenomenon known as orographic lifting. When moist air encounters a mountain barrier, it is forced to rise along the slope. As the air rises, it undergoes adiabatic cooling, which causes the air temperature to decrease. As the temperature drops, the air becomes saturated, leading to the condensation of water vapor and the formation of clouds. Further ascent can result in precipitation, such as rain or snow, on the windward side of the mountain. This process is known as orographic precipitation.
f. On the leeward side of mountains, the air has already undergone orographic lifting on the windward side and has lost much of its moisture through precipitation. As the air descends on the leeward side, it undergoes adiabatic warming, causing the temperature to increase. As the air warms, its relative humidity decreases, leading to drier conditions. This process is known as the rain shadow effect. The descending air on the leeward side of the mountain inhibits cloud formation and reduces the chances of precipitation, resulting in drier conditions compared to the windward side.
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What makes a good resume/bad resume? What can you predict
employers want to see in your resume? Discuss the merits of an
Applicant Tracking System (ATS).
A good resume is a reflection of an applicant's abilities, skills, and experience. It highlights the applicant's accomplishments, qualifications, and educational achievements that make them suitable for a particular job.
A bad resume, on the other hand, is often filled with irrelevant details, typographical errors, and grammatical mistakes, among other things. In most cases, a bad resume fails to capture the employer's attention and may result in the applicant missing out on a job opportunity. Employers want to see certain key elements in a good resume. For instance, they want to see a summary statement that outlines the applicant's professional goals and objectives, an overview of their skills and accomplishments, and their educational qualifications and certifications. Additionally, employers want to see work experience that is relevant to the job opening and measurable accomplishments that showcase the applicant's impact and contributions to previous employers. Applicant Tracking Systems (ATS) are computer-based tools used by recruiters and hiring managers to manage and screen job applications. The merits of an ATS are that it helps streamline the recruitment process, reduces the workload on recruiters, and helps identify candidates with the right qualifications for the job.
However, the downside of an ATS is that it often eliminates potentially good candidates who fail to match the exact keywords or criteria set by the system. In conclusion, a good resume is a reflection of an applicant's abilities and experience, highlighting key achievements and qualifications that make them suitable for a particular job. Employers want to see relevant work experience, measurable accomplishments, and educational qualifications, among other things. The merits of an ATS include the ability to streamline recruitment processes, while the downside is the potential to eliminate good candidates who fail to match the exact keywords set by the system.
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Please answer the following question with detail:
What is retrograde motion?
Retrograde motion refers to the apparent backward or opposite movement of a celestial object in the sky, as observed from a particular vantage point.
Instead of its usual eastward progression against the background stars, the object appears to temporarily move in the opposite or westward direction.
Retrograde motion primarily affects outer planets (such as Mars, Jupiter, and Saturn) from the perspective of Earth. This phenomenon arises due to differences in orbital speeds and relative positions of Earth and the observed planet.
Retrograde motion occurs when Earth overtakes and passes by an outer planet, causing it to appear to move backward before resuming its regular forward motion.
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Maximum Altitude
Solve for Maximum Altitude for the following questions. Your location is 27 degrees latitude. Show all work for full credit.
1. Your star 'You' has a RA of 8h and Dec = -16°. What is its maximum altitude?
2. Your star 'Shin' has an RA of 16h and Dec = +55". What is its maximum altitude?
3. The star Polaris has an RA of 02h 31m 49.09 and Dec= +89°. What is its maximum altitude?
4. The Star Betelgeuse has an RA of 5h 55m 10, and Dec = +7°. What is its maximum altitude?
To calculate the maximum altitude for each star, we need to consider the latitude of the observer and the declination of the star. The formula to find the maximum altitude is given by:
Maximum Altitude = 90° - |Latitude - Declination|
For star 'You' with RA 8h and Dec = -16°:
Maximum Altitude = 90° - |27° - (-16°)| = 90° - 43° = 47°
For star 'Shin' with RA 16h and Dec = +55°:
Maximum Altitude = 90° - |27° - (+55°)| = 90° - 28° = 62°
For star Polaris with RA 02h 31m 49.09s and Dec = +89°:
Maximum Altitude = 90° - |27° - (+89°)| = 90° - 62° = 28°
For star Betelgeuse with RA 5h 55m 10s and Dec = +7°:
Maximum Altitude = 90° - |27° - (+7°)| = 90° - 20° = 70°
The maximum altitude of a star is the highest point it reaches above the observer's horizon. It is influenced by the observer's latitude and the declination of the star. The formula takes into account the difference between the observer's latitude and the star's declination. By subtracting this difference from 90° (the zenith or highest point in the sky), we obtain the maximum altitude.
In each case, we calculate the absolute difference between the latitude and declination and subtract it from 90° to determine the maximum altitude. A larger difference between latitude and declination results in a higher maximum altitude. The calculations above demonstrate how to find the maximum altitude for each given star based on the provided information.
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Why is the photosphere considered the "surface" of the Sun?
The photosphere has the thinnest gas on the Sun
The photosphere is the hottest layer of the Sun
We can't see any further inside because the gas gets too thick
The photosphere has the thickest gas on the Sun
The photosphere is considered the "surface" of the Sun because it is the layer from which visible light is emitted. It is the region where the Sun's energy is released as light and heat. The photosphere is not actually a solid surface but rather a layer of gas that is dense enough to be opaque, preventing us from seeing any further inside the Sun.
In summary, the photosphere is considered the "surface" of the Sun because it is the layer where visible light is emitted and where the Sun's energy is released as light and heat. It is not a solid surface, but rather a dense layer of gas that prevents us from seeing any further into the Sun.
The photosphere is the "surface" of the Sun because it is the layer where visible light is emitted. It is not a solid surface, but rather a region of dense gas. The photosphere is the layer from which the Sun's energy is released as light and heat. It is the region that we see when we look at the Sun. The photosphere is not the thinnest or thickest layer of gas on the Sun, but it is the layer where the gas is dense enough to be opaque, preventing us from seeing any further inside the Sun.
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you are on the equator of the earth, at 0 degrees longitude.you go 90 degrees east along the equator. are you closer to brazil or australia when you stop?justify your answer in a sentence or two.
If you start at the equator and go 90 degrees east, you will end up in Australia. You will be closer to Australia than Brazil when you stop. This is because Brazil is located to the west of the Prime Meridian (0 degrees longitude), and going 90 degrees east will take you further away from Brazil.
Australia, on the other hand, is located to the east of the Prime Meridian, and going 90 degrees east will take you closer to it. The equator is an imaginary line that circles the Earth at 0 degrees latitude. It is located halfway between the North Pole and the South Pole. Going 90 degrees east along the equator means you are traveling in an easterly direction, which will take you across the Indian Ocean and eventually to Australia. Therefore, you will be closer to Australia than Brazil when you stop.
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A river base level is___
a. none of the above
b. a level beyond which a river cannot erode c. level beyond which a river is at equilibrium d. level beyond which a river start to erode Sand dunes are formed by ____
a. windstorms and silt to mud suspension b. windblown and gravel accumulation c. windblown and sand accumulation d. torrential water and sand deposition
A river base level is a level beyond which a river cannot erode. Sand dunes are formed by windblown and sand accumulation. The correct answer is option b and c respectively.
Base level refers to the lowest point to which a river can erode its channel. It can be a temporary or ultimate level. Temporary base levels can be created by factors such as dams or temporary obstructions in the river's path, while ultimate base level refers to the point where the river meets a large body of water like a lake or the ocean.
Once a river reaches its base level, it no longer has the energy to erode its channel deeper and can only modify its course or deposit sediment.
Sand dunes are formed by c) windblown and sand accumulation. Sand dunes are created when wind transports sand particles and deposits them in specific formations.
Windblown sand accumulates in areas where there are ample supplies of sand, strong wind currents, and obstructions that cause the wind to slow down and deposit the sand. Over time, this accumulation results in the formation of sand dunes, which can take various shapes and sizes depending on the prevailing wind patterns and local topography.
The correct answer is option b and c respectively.
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33-36. Match the correct volcanic edifice with the frequency of eruption and the output rate per eruption. Frequency and Output Volcanic Edifice 33. Low output rate, frequent eruptions A. Stratovolcanoes (aka composite cones) A. Stratovolcanoes (aka composite cones) B. Shield volcanoes 34. Low output rate, rare eruptions C. Cinder cones Choose... D. Supervolcanoes and/or flood basalts 35. High output rate, frequent eruptions Choose... 36. High output rates, rare eruptions Choose...
33. The volcanic edifice with a low output rate and frequent eruptions is Stratovolcanoes (aka composite cones). These volcanoes are characterized by alternating layers of lava and ash, which build up over time. They have explosive eruptions due to the high viscosity of the magma.
34. The volcanic edifice with a low output rate and rare eruptions is Cinder cones. These volcanoes are relatively small and have steep sides. They are formed by explosive eruptions that eject ash, cinders, and lava fragments. These eruptions occur infrequently and have a low output rate, meaning that they release small amounts of material with each eruption.
35. The volcanic edifice with a high output rate and frequent eruptions can vary, but one example is Shield volcanoes. These volcanoes have broad, gently sloping sides and are formed by the eruption of fluid lava. The lava flows easily and covers large areas, resulting in a high output rate. These volcanoes have frequent eruptions, releasing large amounts of material with each eruption.
36. The volcanic edifice with high output rates and rare eruptions can be represented by Supervolcanoes and/or flood basalts. Supervolcanoes are characterized by massive eruptions that release enormous amounts of volcanic material, while flood basalts refer to extensive lava flows that cover large areas.
The frequency of eruptions and the output rate per eruption can vary depending on the type of volcanic edifice. Stratovolcanoes have a low output rate and frequent eruptions, Cinder cones have a low output rate and rare eruptions, Shield volcanoes have a high output rate and frequent eruptions, and Supervolcanoes and/or flood basalts have high output rates and rare eruptions.
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If the field capacity of a soil is 30% by volume and the permanent wilting point is 10% by volume, what is the plant available water? 30 cm/m 20% 30% 0.30
The plant available water in the soil is the difference between the field capacity and the permanent wilting point. In this case, it would be 20% by volume, which is equivalent to 0.20.
The field capacity represents the maximum amount of water the soil can hold after excess water drains away, while the permanent wilting point indicates the moisture level at which plants can no longer extract water from the soil effectively. By subtracting the permanent wilting point (10%) from the field capacity (30%), we obtain the plant available water, which is 20% or 0.20 by volume.
The plant available water in this scenario is 20% by volume. This means that plants can extract and utilize 20% of the total soil volume for their water needs between the field capacity and the permanent wilting point.
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Which of the following it true? All detrital rocks resemble igneous rocks All clastic rocks have a pattern of interlocking crystals All detrital rocks have a clastic texture All nonclastic rocks have a detrital texture
Among the given statements, the true statement is: "All detrital rocks have a clastic texture." Detrital rocks, which are a type of sedimentary rock, are composed of clastic particles or grains derived from the weathering and erosion of pre-existing rocks. The clastic texture refers to the arrangement and cementation of these grains within the rock.
1. All detrital rocks resemble igneous rocks: This statement is not true. Detrital rocks are sedimentary rocks that are formed from the accumulation and lithification of sediments derived from the weathering and erosion of pre-existing rocks. They are composed of fragments and particles of various sizes and types, including minerals, rock fragments, and organic matter. In contrast, igneous rocks are formed from the solidification of molten material (magma or lava) and have a crystalline texture.
2. All clastic rocks have a pattern of interlocking crystals: This statement is not true. Clastic rocks are a type of sedimentary rock that is composed of fragments or grains of pre-existing rocks that have been transported and deposited. The grains in clastic rocks are not interlocking crystals, but rather discrete fragments that are cemented together. The size, shape, and arrangement of these grains determine the texture of the clastic rock.
3. All detrital rocks have a clastic texture: This statement is true. Detrital rocks, also known as clastic rocks, are composed of sedimentary particles or grains derived from the weathering and erosion of pre-existing rocks. The grains in detrital rocks are typically clasts, which can range in size from clay particles to sand, gravel, or even larger boulders. These clasts are held together by cementing agents, such as minerals or organic materials, giving detrital rocks a clastic texture.
4. All nonclastic rocks have a detrital texture: This statement is not true. Nonclastic rocks, also known as chemical or organic rocks, are formed through processes other than the deposition of clastic sediments. Examples of nonclastic rocks include limestone, chalk, and coal. These rocks have a variety of textures and compositions, but they do not have a detrital texture as they are not composed of clastic particles.
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3. Which of these statements is false about crustal plates?
A.vary in thickness.
B. thickest in the mountain region.
C. include the crust and the upper mantle.
D.have the same thickness everywhere.
Answer:
Option (d) is false.
Explanation:
The surface of the Earth is divided into various plates and crust of various size and dimensions. The largest plates are seen in Antarctic, Eurasian, and North American plates. Hence the statement that the crustal plates have same thickness everywhere is false.A (far-in-the-) future space mission to another solar system discovers a small spherical moon with 1 large apparent impact crater, an equatorial canyon (as opposed to the equatorial ridge of Iapetus), and a spectrum similar to M type asteroids.
It has an equatorial radius of 80 km,
a rotational period of 24 hr,
and a GM of 5.7x108 m3 s-2 .
Additionally, it has a flattening of 0.5% and a J2 of 0.002005.
Your job is to figure out the interior structure of this moon.
a. First, find the bulk density. (Recall that rocks typically have a density around 3000 kg m-3 , while metals are usually closer to 7000 kg m-3 .)
Based on the given information, we can calculate the bulk density of the moon. The formula to calculate bulk density is mass divided by volume.
To calculate the mass, we can use the formula GM = (4/3)πρa^2r, where G is the gravitational constant, M is the mass, ρ is the bulk density, a is the equatorial radius, and r is the rotational period. Rearranging the formula to solve for mass, we have M = (GM)/(4/3)πa^2r.
To calculate the volume, we can use the formula V = (4/3)πa^2h, where a is the equatorial radius and h is the height of the spherical moon. However, since the given information does not provide the height, we cannot determine the exact volume and subsequently the bulk density.
Therefore, without the height information, it is not possible to calculate the bulk density and determine the interior structure of the moon.
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A ring of coral that encloses sea water is called
○delta
○ a Cape
○a atoll
which statement about the hudson river is true?
Answer:
it should be C.it provides for large amounts of trade with Europeans
Explanation:
Low viscosity lava is a characteristic of___________________
granite
stratovolcano
explosive volcano
shield volcano
Low viscosity lava is a characteristic of shield volcano. What is viscosity? Viscosity is the measurement of a fluid's resistance to flow.
It is a measure of the fluid's internal friction or the friction between different layers of the fluid that are moving relative to one another. The thicker a fluid, the higher its viscosity. It has a major impact on the lava's behavior during volcanic eruptions. When the viscosity of lava is low, it means that the lava is thin and fluid. This means that it will flow more readily than viscous lava. The following are some characteristics of shield volcanoes that make them different from other volcanoes: Shield volcanoes are a type of volcano that is gently sloping and broad. They are usually composed of low-viscosity basaltic lava flows.
This type of volcano is not explosive. Instead, it is characterized by frequent eruptions of low-viscosity lava that can flow long distances. The Hawaiian Islands, for example, are made up of shield volcanoes.
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How valuable do you believe telemedicine services were in the wake of the coronavirus outbreak with respect to slowing the spread of infection in the United States?
Did you or your family members take advantage of telemedicine services during the outbreak? Why or why not?
How did telemedicine facilitate faster and/or safer healthcare during the pandemic?
In what ways were telemedicine providers limited?
What did the pandemic teach us about the pros and cons of telemedicine?
Telemedicine refers to the remote delivery of healthcare services, such as diagnosis, treatment, and consultation, through telecommunication technologies like video conferencing, phone calls, and text messaging.
During the pandemic, telemedicine facilitated faster and safer healthcare by allowing patients to receive medical attention without having to physically visit healthcare facilities, which could be potentially risky due to the spread of COVID-19. It allowed for patients to receive healthcare from the safety of their own homes. However, telemedicine providers were limited in various ways. One significant limitation was the lack of access to reliable and affordable high-speed internet connections for some patients. Additionally, the quality of care that could be provided through telemedicine was limited in certain situations, such as for patients requiring physical examinations or tests. Some people did take advantage of telemedicine services during the outbreak, while others did not. This could be due to a lack of access to technology or internet connections, or simply due to personal preferences or beliefs. The pandemic taught us both pros and cons of telemedicine.
Some benefits of telemedicine include increased accessibility to healthcare, especially for individuals in remote or underserved areas, and reduced risk of spreading infectious diseases. However, limitations include the lack of access to reliable and affordable internet connections, limited ability to provide physical exams and tests, and potential issues with patient privacy and security.
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5. Most of Earth’s major population centers are over 1,000 km away from an active plate tectonic boundary. A. True B. False
8. The main contributing mechanisms responsible for lithologic plates moving across the top of the Earth’s asthenosphere is _______.
A. slab push
B. basal friction
C. slab pull
D. all of the above
E. none of the above
1. The given statement "Most of Earth’s major population centers are over 1,000 km away from an active plate tectonic boundary" is true
2. The main contributing mechanisms responsible for lithologic plates moving across the top of the Earth’s asthenosphere is all of the above.
Most of Earth's major population centers, such as cities and densely populated areas, are indeed located far away from active plate tectonic boundaries. These boundaries are typically associated with geological activity like earthquakes, volcanic eruptions, and other geologic hazards. While there are exceptions and some population centers may be located closer to plate boundaries, the majority are situated at considerable distances from such areas.
The main contributing mechanisms responsible for the movement of lithospheric plates across the top of the Earth's asthenosphere involve a combination of various forces. Therefore, all of the above mechanisms, including slab push, basal friction, and slab pull, contribute to the movement of lithospheric plates across the Earth's asthenosphere.
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Why do 'astrobiologists' study the evolution of life on Earth, and life in Earth's extreme environments?
o to gain knowledge of possible mammalian life off Earth.
o to gain knowledge of possible microbial life off Earth.
o to gain knowledge of possible plant life off Earth.
o to gain knowledge of possible reptile life off Earth.
Astrobiologists study the evolution of life on Earth and life in Earth's extreme environments primarily to gain knowledge of possible microbial life off Earth.
While the search for extraterrestrial life encompasses various forms, such as mammals, plants, and reptiles, the focus on studying life in extreme environments on Earth is primarily driven by the understanding that microbial life is more likely to exist in extreme conditions.
Extreme environments on Earth, like hydrothermal vents, frozen polar regions, and acidic hot springs, provide valuable insights into the adaptability and resilience of microbial life. By studying these extremophiles, astrobiologists can better understand the potential for microbial life in similar extreme environments on other planets or moons in our solar system and beyond.
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which of the following describes what happens with increasing altitude? question 1 options: a. air pressure increases and the temperature rises. b. air pressure increases and the temperature drops. c. air pressure decreases and the temperature rises. d. air pressure decreases and the temperature drops.
As altitude increases, air pressure decreases, and the temperature drops. At higher altitudes, the air becomes thin, and the atmospheric pressure decreases, resulting in the decrease of air temperature.
When altitude increases, the atmosphere's thickness also decreases, so the air molecules' density decreases, and thus the temperature drops. Cooling with height is a natural phenomenon, and the decrease in temperature is 6.5 degrees Celsius per 1000 meters (or 3.5 degrees Fahrenheit per 1000 feet). Therefore, at high altitudes, the temperature can be much lower than it is at sea level. As a result, higher altitudes are colder than lower altitudes. For instance, the temperature is lower on mountain peaks than it is at sea level. This also explains why climbers are required to wear warm clothing and jackets at high altitudes.
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4. When is the San Andreas fault thought to have originated, and how much displacement has occurred since that time?
The San Andreas Fault is thought to have originated about 30 million years ago during the middle of the Cenozoic Era. The displacement that has occurred since that time is approximately 350 miles.
Origin of San Andreas faultSan Andreas Fault is a geological fault system that extends for 750 miles through California in the United States of America. The San Andreas Fault is considered to have originated about 30 million years ago during the middle of the Cenozoic Era.
The movement of the earth's crust caused the North American Plate to slide past the Pacific Plate, resulting in the development of this fault. The displacement that has occurred since that time is approximately 350 miles.
Since its formation, the San Andreas Fault has had a significant impact on the tectonic activity of the area. The fault has caused many earthquakes, some of which have been major, including the San Francisco earthquake in 1906 and the Loma Prieta earthquake in 1989. The San Andreas Fault is constantly monitored by scientists to understand and predict future seismic activity.
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Using Newton's revision of Kepler's third law, calculate the mass (in solar masses) of a star where an Earth-like planet orbits it with a semi-major axis of 8 AU and a period of 2.31] Earth-years. Recall that for an Earth-like planet, its mass is negligible compared to that of the star.
The mass of the star, where an Earth-like planet orbits it with a semi-major axis of 8 AU and a period of 2.31 Earth-years, is approximately 0.9964 solar masses.
Newton's revision of Kepler's third law relates the period (T) of an orbiting object to the semi-major axis (a) of its orbit and the mass (M) of the central object. The formula is given as:
[tex]T^2 = (4π^2 / GM) * a^3[/tex]
where G is the gravitational constant.
In this case, we have an Earth-like planet with a semi-major axis of 8 AU and a period of 2.31 Earth-years. We can convert these values into appropriate units for the equation.
1 AU is approximately 149.6 million kilometers.
Converting the semi-major axis:
a = 8 AU * 149.6 million km/AU
= 1.1968 billion km
Converting the period:
T = 2.31 Earth-years * 365.25 days/year * 24 hours/day * 60 minutes/hour * 60 seconds/minute
= 72,778,200 seconds
Now we can rearrange the formula to solve for the mass of the star (M):
[tex]M = (4π^2 / G) * (a^3 / T^2)[/tex]
Plugging in the known values:
M =[tex](4π^2 / (6.67430 x 10^-11 N(m/kg)^2)) * ((1.1968 x 10^9 km)^3 / (72,778,200 s)^2)[/tex]
= 0.9964 solar masses
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Which of the following is not a reason why historians study societal change?
A.
to make better plans for the future
B.
to predict future patterns and trends
C.
to make inferences about the causal relationship
D.
to estimate how long it would take to build a road system
Answer:
D
Explanation:
I took the test
Which region supplies coal in abundance to the rest of the state?
A.
Prairie Plains
O B.
Arbuckle Mountains
C.
Sandstone Hills
D.
Red Bed Plains
Answer:
D Red Bed Plains
I hope this will help you
Annual rainfall in New England including the Quabbin Watershed is 130 cm/yr. The
Quabbin Watershed is 600 km2
in area. How much water due to rain (which drains
the entire watershed) flows into the Quabbin Reservoir each year? Please assume
all the rainwater in the Quabbin Watershed ends up in the Quabbin Reservoir. Show
your work. Hint: It might help to draw a picture of this annual rain on the land.
Hint 2: Make sure your units are converted to be consistent.
The amount of water due to rain that flows into the Quabbin Reservoir each year can be calculated by multiplying the annual rainfall by the area of the Quabbin Watershed. Approximately 780 million cubic meters of rainwater flow into the Quabbin Reservoir each year.
Each year, the Quabbin Watershed in New England receives an average annual rainfall of 130 cm/year. To determine the amount of water that flows into the Quabbin Reservoir, we can calculate the volume of rainfall by multiplying the annual rainfall by the area of the watershed.
First, we convert the rainfall from centimeters to meters by dividing by 100, resulting in 1.3 meters/year. Then, we multiply this value by the area of the Quabbin Watershed, which is 600 km2 or 600,000,000 m2.
1.3 meters/year * 600,000,000 m2 = 780,000,000 cubic meters/year.
Therefore, approximately 780 million cubic meters of rainwater flow into the Quabbin Reservoir each year. This calculation assumes that all the rainwater in the Quabbin Watershed ends up in the reservoir.
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which of the following referd to the smaller sections of the earth's lithosphere
Answer:
the lithosphere is the solid outer part of the earth including the brittle upper portion of the mantle and the crust
describe the historical context of patient navigation and its' origin.
Patient navigation originated in the United States in the 1990s as a response to the complex and fragmented healthcare system. It was developed to address the disparities and barriers to care faced by underserved populations, such as racial and ethnic minorities, low-income individuals, and those with limited access to healthcare resources.
In the historical context, patient navigation emerged as a concept in the Harlem community of New York City. Dr. Harold P. Freeman pioneered this approach at the Harlem Hospital Center in the early 1990s. He recognized that patients from disadvantaged backgrounds faced challenges in accessing timely and appropriate healthcare services.
Patient navigation programs were subsequently expanded across the country to address healthcare disparities and improve health outcomes. These programs involve trained individuals, known as patient navigators, who guide patients through the healthcare system, providing support, education, and coordination of care.
The aim of patient navigation is to overcome barriers to care, including language and cultural differences, lack of health literacy, financial limitations, and logistical challenges. By providing personalized assistance, patient navigators help individuals navigate the healthcare system, access appropriate services, and adhere to treatment plans.
In conclusion, patient navigation originated in the 1990s as a response to healthcare disparities faced by underserved populations. It has since evolved into a comprehensive approach that aims to address barriers to care and improve health outcomes for all individuals.
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