Answer:
Answer is D
Explanation:
Answer all questions 1.
Using specific examples account for five hallmarks in the History of Quarantine (5 marks) 2. Using one health
approach draw a model for the proper control of Ebola in Uganda, (10 marks)
In an arctic ecosystem, energy flows from arctic sedge to arctic hares to rough-legged hawks.
Which term best describes this flow of energy?
Responses
food pyramid
food pyramid
consumer chain
consumer chain
food web
food web
food chain
A food chain, which depicts the linear transfer of energy from one organism to another in an ecosystem, is the term that best describes this flow of energy.
How does the food chain's energy flow work?Energy flows in only one direction in a food chain. This shows that energy streams straightly and just in one course. A deer is the only animal that will receive the energy. The plant will not be fueled in the opposite direction by the deer.
How might you portray the bearing of energy stream in a pecking order?The energy that plants store through photosynthesis is provided to herbivores that consume plants. Predators that consume herbivores receive energy from herbivores. As a result, energy travels from the sun toward animals that eat meat.
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Design a scientific experiment, complete with all of the steps of the scientific method. It doesn't have to be complicated. It could be a cooking experiment, a gardening/growing experiment, etc. Make certain you have a strong hypothesis that can be tested.
Answer:
Hypothesis: Adding fertilizer to tomato plants will result in faster growth and larger yields of fruit.
Experiment:
Observation: Two identical tomato plants are selected for the experiment. One will be the control group (without fertilizer), and one will be the experimental group (with fertilizer).
Research: The types of fertilizer available, their recommended usage, and their impact on plant growth and yields are researched.
Variable selection: The independent variable will be the use of fertilizer, while the dependent variables will be plant growth and fruit yield.
Experimental setup: The tomato plants are grown in identical pots, with identical soil and sunlight exposure. The control plant receives no fertilizer, while the experimental plant receives a recommended amount of fertilizer every other week.
Data collection: Over a period of two months, measurements are taken of the height and width of the plants, as well as the number and size of the tomatoes produced.
Data analysis: The data collected is analyzed for any differences in plant growth and fruit yield between the control and experimental groups.
Conclusion: Based on the data collected and analyzed, a conclusion is drawn as to whether or not the hypothesis was supported by the experiment.
Further experiments: If the hypothesis is supported, further experiments may be conducted to determine the optimal amount and frequency of fertilizer for tomato plant growth and yield.
Explanation:
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LED bulbs use _____ of the electricity as a comparable incandescent bulb.
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
1/2
1/3
1/30
1/90
LED bulbs use ⅓ of the electricity as a comparable incandescent bulb, option B is correct.
A typical 60-watt incandescent bulb can be replaced with a 10-watt LED bulb to produce the same amount of light. This means that the LED bulb uses only 1/6 of the electricity of the incandescent bulb. In other words, the LED bulb is six times more energy-efficient than the incandescent bulb.
LED bulbs are a type of energy-efficient lighting technology that consumes less energy than traditional incandescent bulbs. The amount of electricity used by a bulb is measured in watts, and LED bulbs use significantly fewer watts than incandescent bulbs to produce the same amount of light, option B is correct.
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The complete question is:
LED bulbs use _____ of the electricity as a comparable incandescent bulb. Please choose the correct answer from the following choices, and then select the submit answer button. Answer choices
A)½
B)⅓
C)1/30
D)1/90
In what way do hydroelectric dams contribute to greenhouse gas emissions?
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
They require coal or petroleum in the powerhouse.
Carbonic acid in the reservoir readily escapes into the atmosphere as carbon dioxide.
Construction of a dam requires heavy equipment that burns fossil fuels, and cement emits carbon dioxide.
Turbines emit carbon dioxide.
Construction of a dam requires heavy equipment that burns fossil fuels, and cement emits carbon dioxide. Option c is correct.
Hydroelectric dams themselves do not directly emit greenhouse gases, but their construction and operation can indirectly contribute to greenhouse gas emissions. The construction of a dam involves the use of heavy equipment that runs on fossil fuels, such as bulldozers, excavators, and trucks, which emit carbon dioxide and other greenhouse gases.
Additionally, the production of cement for the construction of the dam also emits large amounts of carbon dioxide. Therefore, the construction of hydroelectric dams can contribute to greenhouse gas emissions, although the energy they produce is generally considered to be a clean and renewable source of energy. Option c is correct.
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One
of the end products of respiration is carbon dioxide, or CO₂. In this activity, you'll measure the amount
of CO₂ yeast produces when it is fermented in five different cups with the following contents:
• Cup A: yeast and lukewarm water
Cup B: yeast, sugar, and lukewarm water
Cup C: yeast, sugar, and hot water
.
●
• Cup D: yeast, sugar, and cold water
Cup E: yeast, sugar, and lukewarm water (covered with plastic wrap)
.
You'll use a ruler to measure the amount of CO₂, or foam, that forms in each cup. Do you think the
amount of foam in the cups will differ? Write down your prediction.
Answer:
I mean probably
Explanation:
because that makes sense
I really need help with Biology 102 ASAP!!!! but it's due date: Apr 17, 2023 at 11:59 PM EDT
Questions on Unit 8: 4
1: (axons, cell bodies and dendrites).
2. (oligodendrocytes and Schwann cells).
3. (nodes of Ranvier, interneurons and internodes).
4. (in both directions, quickly and slowly) and (in one direction, quickly and more slowly).
5. (the central nervous system, the peripheral nervous system and both the peripheral and central nervous system).
Nerve impulses are conducted fast in myelinated axons and slow on nonmyelinated axons. With the peripheral nervous system (PNS), myelin plays a role in regeneration.
What does the myelin sheath's major purpose?Formed around nerves, particularly those in the brain and spinal cord, myelin serves as an insulating coating or sheath. Protein and fatty materials are the components that make up most of its composition. Electrical impulses may travel along nerve cells swiftly and effectively thanks to the myelin coating. These impulses or signals weaken if myelin is destroyed.
The where is the myelin sheath?The spiral-shaped myelin sheath is a significantly lengthened and modified plasma membrane that surrounds the nerve axon. The Schwann cells in the peripheral nervous system (PNS) and the oligodendroglial cells in the central nervous system are where the myelin membranes originate from and are a component of (CNS).
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Need help this is a little confusing
Answer:
for the bottom section
Explanation:
1. protien synthesis, transcription, translation
2. homozygous, heterozygous
3. adenine, guanine
4 nucleotide
Treatment of psychological disorders:
A. can offer significant relief
B. often make the problem worse
C. is often unclear
D. is rarely helpful
Designing a wind turbine's edge to look similar to whale's fin is an example of:
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
biomimicry.
envirocopy.
carbon-free technology.
circadian rhythm.
Designing a wind turbine's edge to look similar to a whale's fin is an example of biomimicry. Option A is correct.
Biomimicry is a design approach that draws inspiration from nature to solve human problems or create sustainable solutions. In this case, the design of the wind turbine's edge is inspired by the shape and functionality of a whale's fin, which is optimized for efficient movement through water.
By mimicking this natural design, engineers and designers aim to improve the aerodynamics and efficiency of the wind turbine, potentially enhancing its performance in capturing wind energy.
Biomimicry is a growing field that seeks to learn from nature's designs, processes, and systems to develop innovative and sustainable solutions to various challenges in engineering, architecture, materials science, and other areas of technology and design.
Hence, A. is the correct option.
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--The given question is incomplete, the complete question is
"Designing a wind turbine's edge to look similar to whale's fin is an example of: Please choose the correct answer from the following choices, and then select the submit answer button. Answer choices A) biomimicry. B) envirocopy. C) carbon-free technology. D) circadian rhythm."--
I want you to engage in respectful discussion about current Indigenous issues in Canada with a view to co-creating a vision reconciliation based on renewed relationships. We have talked about the truth needing to be realized before reconciliation can happen. We have talked about the truth and how it continues to be discovered, but now talk about a vision of reconciliation. What does it look like in your eyes?
99% of weather occurs in the
Answer: the troposphere
Explanation:
Answer: Troposphere
Explanation:
Choose the example of a producer in the food chain.
Tomatoes that grow in a garden
A grasshopper that eats grass
Fungi that develop on a fallen log
A gull that eats a grasshopper
Answer:
A. Tomatoes that grow in a garden
Explanation:
These are the only producers that use sunlight to make its own food. The rest of the examples eat or decompose other living things to get energy.
Need help doing an Assessment im struggling alot
How should you present allergenic ingredients on pre-packed food?
A. in the ingredient list in the same font and style as other ingredients
B. in the ingredient list in a contrasting font to other ingredients
C, A s a separate list near the same food
D. You don't always have to
[tex]ANSWER[/tex]
B
Explanation:
B. in the ingredient list in a contrasting font to other ingredients
1 When the carrying capacity for a species in a
habitat is reached, the population of the species
levels off. This slowing of the rate of growth is
most likely due to
(1) limited resources
(2) renewable energy
(3) an increase in decomposers T
(4) a lack of competition
Answer: (1) limited resources
Explanation: carrying capacity is reached when an environment has the max amount of population it can sustain—the amount of resources available creates a limit on population size, as the rate of growth starts to slow before the environment starts to degrade.
i hope this is helpful! :D
The slowing of the rate of growth of a population when the carrying capacity for a species in a habitat is reached is most likely due to limited resources.
Carrying capacity is the number of species a habitat can sustain depending on its resources. As the population approaches the carrying capacity, resources become scarcer, increasing competition for food, water, and shelter. As resources run out, population growth slows and stops.
Renewable energy and more decomposers are unlikely to directly effect habitat species population growth. Renewable energy, including solar, wind, and hydro power, is unrelated to population increase. Decomposers help ecosystems cycle nutrients, but they don't affect species population growth.
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In your own words, explain how sexual selection also contributes to evolution
Explain about G20 summit?
The G20 summit is an annual international meeting of leaders from the world's 20 largest economies, including the European Union. It was established in 1999, in response to the financial crises of the late 1990s, as a forum for international economic cooperation and policy coordination.
The G20 members represent around 80% of global GDP, 75% of international trade, and two-thirds of the world's population. The group includes Argentina, Australia, Brazil, Canada, China, France, Germany, India, Indonesia, Italy, Japan, Mexico, Russia, Saudi Arabia, South Africa, South Korea, Turkey, the United Kingdom, the United States, and the European Union.
The G20 summit is typically held annually, with the host country rotating among the member states. The summit provides a platform for leaders to discuss and coordinate on global economic issues, such as trade, investment, finance, and development.
In addition to the leaders' summit, there are several working groups and committees that meet throughout the year to prepare for the summit and provide ongoing policy guidance. These groups cover a range of topics, including finance, trade, employment, energy, and agriculture.
The G20 has played a significant role in shaping global economic policy over the past two decades, particularly in response to the 2008 financial crisis. The group's efforts have included coordinated fiscal and monetary policies, financial regulation reform, and support for developing countries.
However, the G20 has faced criticism for its limited representation of developing countries and its inability to address some of the world's most pressing challenges, such as climate change and inequality. Despite these challenges, the G20 remains an important platform for international cooperation and economic policy coordination.
Let's assume that the non-taster daughter in question 5 is a carrier of the albino trait. She marries a taster man, normally pigmented, whose mother was a non-taster albino. Show the cross between these parents.
The probability of having a child that is either albino or a carrier of the albino trait is 1/4 + 1/8 + 1/8 = 1/2.
How crossing is done?The process of crossing refers to the deliberate breeding of two individuals or populations of the same species with the goal of producing offspring with specific desired traits.
Assuming the following genetic symbols:
T: dominant allele for tasting
t: recessive allele for non-tasting
A: dominant allele for normal pigmentation
a: recessive allele for albino trait
Then the non-taster daughter is TtAa (heterozygous for both traits), and she is a carrier of the albino trait.
The husband is TTAa (heterozygous for the albino trait but does not express it).
The mother of the husband is ttAA (homozygous recessive for non-tasting and homozygous dominant for normal pigmentation).
To show the cross between these parents, we can use a Punnett square:
| Tt tA Ta ta
--|------------------
TT| TTTt TAAT TAAt TAat
Aa| TTAt TAaA TAaT TAat
The possible genotypes of their offspring are:
TTAa (taster and normally pigmented)
TtAa (taster and carrier of the albino trait)
TTaa (taster and albino)
Ttaa (taster, albino, and carrier of the albino trait)
ttAa (non-taster and normally pigmented)
ttaa (non-taster, albino, and normally pigmented)
The probability of each genotype can be calculated from the Punnett square, as follows:
TTAa: 1/4
TtAa: 1/4
TTaa: 1/8
Ttaa: 1/8
ttAa: 1/4
ttaa: 1/8
The probability of having a child that is either albino or a carrier of the albino trait is 1/4 + 1/8 + 1/8 = 1/2.
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Geologists find a 40,000 year-old cave bear fossil. Which method should the geologists use to find the exact age of the fossil?
A.radioactive dating
B.recrystallization
C.relative dating
D.superposition
Answer:
The answer is Radioactive Dating.
Explanation:
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Answer:
The geologists should use radioactive dating to find the exact age of the fossil.
Which of the following is an example of kinetic energy being converted into potential enregy
Answer:
a spring is stretched
Explanation:
The question is not fully shown!
Ron’s company wants to adopt environmentally sound policies, so management implements the following changes.
Which action is the least helpful?
Reducing the use of heating and air conditioning when the building is empty
Advertise a green environment on the company’s website.
Installing solar panels on the roof
Providing recycling bins in the cafeteria
Answer:
Reducing the use of heating and air conditioning when the building is empty.
which can be left out of a food chain
A.sun
B.carnivor
C.primary consumer
D.producer
A young scientist decided to test if playing different types of music to plants would make them grow differently. Rock music, hip hop music, country music, and classical music was played to different groups of plants. The plants had the same amount of soil, sunlight, and water. The young scientist measured the plants after the test.
1. Descriptive Investigation
2. Comparative Investigation
3. Experimental Investigation
Answer: Experimental Investigation
Explanation: You are trying to find which music helps the plants grow.
Is the author of the article suggesting that vaping is an effective way to stop smoking cigarettes? Which selection from the article BEST supports your answer?
•Yes. "Ashley Merianos, an associate professor at the University of Cincinnati, Ohio, said students may not know that they contain harmful substances such as nicotine, lead and cancer-causing chemicals. "
•No. "However, educating today's teens on the harmful effects of vaping may be more complicated than that of regular cigarettes and chewing tobacco."
•
No. "Another thing that has health and addiction researchers worried is that a significant number of teenagers who start vaping progress to traditional cigarettes within six months. "
Selection that Best supports the article is, No. "Another thing that has health and addiction researchers worried is that a significant number of teenagers who start vaping progress to traditional cigarettes within six months." Option c is correct.
The article does not suggest that vaping is an effective way to stop smoking cigarettes. In fact, the selection that best supports this answer is "Another thing that has health and addiction researchers worried is that a significant number of teenagers who start vaping progress to traditional cigarettes within six months."
This statement suggests that vaping may actually lead to cigarette smoking, which is not a desirable outcome. The article also highlights concerns about the harmful substances found in vaping products, including nicotine, lead, and cancer-causing chemicals. Overall, the article presents vaping as a concerning trend among teenagers that warrants further investigation and education about the potential risks and harmful effects. Option c is correct.
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Justin measures the volume of a rock using water and a graduated cylinder. Describe the process he will use.
To measure the volume of a rock using water and a graduated cylinder, Justin will follow a simple displacement method.
He will start by filling a graduated cylinder partially with water, taking care to record the initial volume of the water. Next, he will carefully place the rock into the graduated cylinder, taking care not to spill any water. The water level in the graduated cylinder will rise, indicating the volume of the rock that is submerged.
Justin will then take a final reading of the water level, making sure to record the new volume. The difference between the final volume and the initial volume of water will give him the volume of the rock. This method works because the volume of water displaced by the rock is equal to the volume of the rock itself.
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The greater the slope of the line of a speed graph, the __________ the average speed.
A. greater
B. less
6thh grade math expressions and equations
An expression is a number, a variable, or a combination of numbers and variables and operation symbols. An equation is made up of two expressions connected by an equal sign. Word example: The sum of 8 and 3 is equal to 11.
A battery stores:
Please choose the correct answer from the following choices, and then select the submit answer button.
Answer choices
chemical energy.
kinetic energy.
heat.
electricity.
A battery stores chemical energy. Option A is correct.
A battery stores chemical energy, which is converted into electrical energy. When the battery is used, these chemical reactions are reversed, releasing the stored energy in the form of electrical energy that can be used to power a device or appliance.
Chemical reactions occur within the battery that generate and store electrical energy. When the battery is connected to a circuit, the stored chemical energy is converted into electrical energy, which can then be used to power electronic devices, vehicles, or other applications. Batteries are widely used as portable sources of electrical energy for a wide range of devices and applications in our daily lives.
Hence, A. is the correct option.
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--The given question is incomplete, the complete question is
"A battery stores: Please choose the correct answer from the following choices, and then select the submit answer button. Answer choices A) chemical energy. B) kinetic energy. C) heat. D) electricity."--
what type of distribution does the giraffe population display
Answer:
The distribution of giraffe population can depend on various factors such as their habitat, geographical location, conservation efforts, and other environmental factors.
Generally, the distribution of giraffe populations is not uniform and can vary significantly depending on the region. For example, the distribution of the Masai giraffe population in Africa is patchy and fragmented due to habitat loss and fragmentation caused by human activities.
In terms of statistical distributions, it is difficult to determine the exact distribution of the giraffe population without specific data and context. The distribution of a population can be affected by many factors, such as age, sex, and location. Therefore, more information about the giraffe population and the context in which it exists would be necessary to determine the exact distribution.
. The population of bumble bees in your area as of January 1, 2018 can
be modeled by the following function:
P(t) = 8741e-0.035t
You are writing an article for your school's newspaper about the
bumble bee population. Describe the current population of bumble
bees and explain completely how the population is changing.
Answer:
Bees are small flying insects, buzzing around with its painful stings which always make people afraid and annoyed. What generally relate with bees are their roles in pollination and producing honey and beeswax. So it seems that bees might be nothing to human as it’s easy to find substitutes for honey as flavoring. However, this perception is mistaken. Without bees, aftermath.
Over the past decade bee populations have been dropping drastically. A 40% loss of honeybees happened in the U.S. and U.K. lose 45% of its commercial honeybee since 2010. This is a phenomenon known as Colony Collapse Disorder (CCD) in which worker bees from a beehive abruptly disappear in a short time. These data are definitely not meaningless since bees are a crucial part of the reproductive cycle of many foods. The impact bees have on the agriculture and the environment is far more crucial than we may think. Crops rely on bees to assist their reproduction and bring them life. Bees are renowned in facilitating pollination for most plant life, including over 100 different vegetable and fruit crops.
Explanation:
Hope this helps!
