The mass movement happens on relatively steep slopes these can result in erosion of newly formed mountains , earthquakes, floods etc.
How does mass movement become natural hazards ?
Massive failures of slope masses, such as rock, debris, soils, and snow/ice, are referred to as mass motions. Sometimes, additional catastrophes like earthquakes, floods, thunderstorms, torrential rainstorms, etc. are linked to these mass movements.
Mass movements are also linked to risks created by humans, such as those caused by the installation of roads, buildings, structures, infrastructure facilities, etc. Due to the instability of the hillslope system, materials can flow across it through a number of different processes. Numerous factors influence mass movements, and the reasons behind them vary by place. The slope gradient, temperature, rock type, rock structure, physical environment, and geological and geomorphological characteristics all have an impact on mass movements.
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What is the relative location of most of Canada’s islands?
Answer:
Near the arctic circle.
calculations of the effect of melting the west antarctic ice sheet on global sea level are estimated at a 6 m rise. much of the east coast of the united states is at high risk in the event of sea level rise because of .
The east coast of United States is at high risk because of the presence of barrier islands, low elevation lands and gentle slopes of the coast.
The west Antarctic Ice sheet is collapsing at a faster rate due to the effect of Global Warming. This causes the ice to melt and an increase in the water level of the oceans and other water bodies. The east coast of the United States mainly comprises of the Atlantic Ocean and with the Atlantic Ice sheet melting it is the most vulnerable coast. The sea level if risen to an altitude greater than what is elevated then the people of the east coast will suffer. The presence of islands within the east coast which are called the barren islands provide the seawater a path to travel in the cities. Also, the area of the east coast is at a lower elevation, and this will provide no blockage to the rising seawater from flooding the cities. The slopes towards the coast are also gentle and not steep which will pave way for the seawater. All these reasons make the east coast most vulnerable.
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He is the Ayatollah Khamenei.
(a) What specific part of Iranian culture does he control?
(b) What is the other leader of Iran called?
Ayatollah Khamenei controls the legislative, judicial, and executive branches of Iranian culture. The other leader of Iran is the president who ranks after Khamenei (Supreme Leader).
The Islamic Republic of Iran's head of state and supreme political and religious authority is Ayatollah Khamenei, also known as the Supreme Leader (above the president). The Supreme Leader is in charge of the military, the judiciary, state television, and other important government agencies like the Guardian Council and Expediency Discernment Council.
The Supreme Leader specifies the overall policies of the Islamic Republic, according to the constitution. The Islamic Republic of Iran's president serves as the country's head of state.
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if there is a high-pressure zone over the rocky mountains and a low-pressure zone in the great plains, winds can come rushing down the front range into the plains; these winds are known as
These winds are known as Chinook winds .
What are Chinook winds ?
In western North America, there are two distinct types of Chinook winds, sometimes known as "Chinooks": coastal Chinooks and interior Chinooks. The coastal Chinooks are rainy, persistent, seasonal winds coming in from the southwest.
The interior Chinooks are sporadic föhn winds that occasionally blow down the eastern edges of interior mountain ranges. They are warm and dry. The name "coastal Chinooks" was first used near the northwest coast, and it is a later development that stems from the coastal word. It is a powerful wind that swiftly descends the lee side of mountain slopes and gets warm and extremely dry.
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stalagmites a. begin as delicate, hollow structures called soda straws. b. are icicle-shaped cones that hang from cave ceilings. c. are a type of flowstone. d. are composed of limestone precipitated out of cave water.
Limestone that has precipitated out of subterranean water makes up stalagmites.
Stalagmites are made of dripstone rather than flowstone, which forms as layers of materials over large surfaces. Stalactites, which dangle from cave ceilings, are formed from soda straws.
A stalagmite is a particular kind of rock structure that rises from a cave's floor as a result of the buildup of debris left behind by ceiling drips. Stalagmites can also be made of magma, mud, peat, tar, sand, sinter, & amber in addition to their normal calcium carbonate composition.
A stalactite is created as the accepted minerals accumulate following many drips of water. If there is still any dissolved calcite in the water that falls to the cave floor, it may leave behind additional dissolved calcite, creating a stalagmite.
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A geologist is studying a cliff that shows many layers of sedimentary rock under the surface of the ground. What can the geologist conclude about how the rock in the area formed?
A.It formed as weathered rock and soil was deposited in layers.
B.It formed when layers of lava cooled and hardened.
C.It formed when faults caused cracks to form between the layers.
D.It formed when glaciers eroded the surrounding rocks
Option A. The conclusion that the geologist can conclude would be that the rock formed as weathered rock and soil was deposited in layers.
What is sedimentary rock?Pre-existing rocks or fragments of extinct species serve as the building blocks for sedimentary rocks. They develop from deposits that build up on the surface of the Earth. Sedimentary rocks frequently exhibit recognizable bedding or layering.
Sedimentation is the process through which sedimentary rocks are created. Sedimentary rocks fall into one of three categories. The buildup and lithification of mechanical weathering debris results in the formation of clastic sedimentary rocks. Breccia, conglomerate, sandstone, siltstone, and shale are a few examples.
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How do Oceans affect the climate
100 POINTS!!!!!!!!!!
The way that Oceans affect the climate is that its currents control the climate globally, helping to balance out the uneven distribution of solar radiation that reaches the surface of the Earth.
How do oceans impact the climate?By moving warm water and precipitation from the equator to the poles and cold water from the poles back to the tropics, ocean currents function much like a conveyer belt.
Therefore, Every human life is impacted by the water. It provides freshwater and oxygen, balances the climate, shapes our weather, and has an impact on people's health. Oceans provide food and transportation for people.
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what process that brings heat from the lower mantle toward the crust?(1 point) responses compression compression conduction conduction cementation cementation convection
Mantle convection transports heat from the mantle's depths to the surface, where the heat is released to create the oceanic crust-creating magmas.
What is Mantle convection?
Convection, a thermally driven process whereby deep heating causes material to expand and become less dense, leading it to rise while being replaced by complementary cool material that sinks, is the primary method of heat transport in the Earth's mantle. Because the material that rises releases heat as it rises and cools, and the material that sinks acquires heat only to eventually rise again, this cycle of heat transfer from depth to the surface is particularly effective. Convection, together with conduction, radiation, and advection, is the most significant mechanism by which the Earth loses heat. However, the plate tectonic cycle combines a lot of these mechanisms.
Mantle convection transports heat from the mantle's depths to the surface, where the heat is released to create the oceanic crust-creating magmas.
Active hydrothermal circulation and heat loss occur along the midocean ridge axis, creating vents like black smoker chimneys. The crust and lithosphere eventually sink to a depth of 1.5–2.5 miles (2.5–4.0 km) below sea level as they move away from the midocean ridges and cool through conduction. The primary process of plate tectonics is consequently heat loss by mantle convection, and moving plates can be viewed as the conductively cooling boundary layer for large-scale mantle convection systems.
Convection heat is produced by the decay of radioactive elements, including potassium 40, uranium 235, and thorium 232. It is also produced by leftover heat from the Earth's early formation, including iodine 129, leftover heat from meteorite and asteroid impacts, and leftover heat from the Earth's core formation.
The Earth has been cooling via convection ever since the mantle of the planet was at least partially molten early in its history. Although it is difficult to gauge how much the mantle has cooled through time, reliable estimates indicate that the mantle may have been several hundred degrees hotter in the earlier Archean.
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What impact does Canada’s geography have on its production and consumption of energy?
The moderately inadequate populace, number of vehicles out and about, and the significant distances individuals and products should be shipped to cross the nation might make sense of Canada's generally high transportation fuel utilization per capita.Nearly thirty percent of Canada's oil demand comes from the industrial sector.
How does Canada generate electricity?
Hydroelectricity accounts for 60% of Canada's electricity generation.The rest of created from different sources, including flammable gas, atomic, wind, coal, biomass, sunlight based, and petrol. Canada had the fourth-largest installed hydropower capacity in the world by 2020.
Why is the economy of Canada dependent on energy?
From the food we eat to our homes and the way Canada's industries work:Energy is needed in some form or another for everything.The landscape of Canada is rich in a variety of energy sources that are used to power the economy.
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What natural resources helped the people of lowlands thrive?
Increased engagement with their lowland neighbors can be advantageous where the mountain communities have a strong sense of control over access to local resources and reliable local institutions.
Children and grandchildren of the poor mountain farmers who lived in the Tztal region of Austrian Tyrol in the early 20th century still hold ownership rights to the property they inherited, and they now run hotels and operate ski resorts.
Local pride and a sense of independence made sure that local culture was preserved, if not really improved.A "neo-Tyrolian" aesthetic has resulted as a result, and it is now the main draw for tourists from the lowland and urban hinterland.
However, as Moser and Moser (1986) show, there have been major expenditures involved, as well as detrimental social and environmental effects, including the widening of the economic divide between successful business people and those who continue to farm.
Ironically, traditional farming methods must continue in order for the ecology to remain stable and for tourists to perceive the area as beautiful, which is crucial for summertime economic success.
Transfer payments from wealthy hoteliers to farmers, the seemingly simple answer, has its own set of societal issues.
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andesitic lava tends to erupt from volcanoes that form along subduction zones. what magma forming process creates andesitic lava?
Answer:
The magma forming process that creates andesitic lava is called fractional crystallization.
Explanation:
The magma forming process that creates andesitic lava is called fractional crystallization. This process happens when a magma chamber cools and crystallizes, and the different types of minerals that form crystallize at different rates. The slower-crystallizing minerals tend to sink to the bottom of the magma chamber, while the faster-crystallizing minerals rise to the top. When the magma is erupted, it is richer in the faster-crystallizing minerals, which gives it an andesitic composition.
Why do most of Canada’s energy exports go to the United States?
Answer:
Because of limited pipeline capacity and export infrastructure, Canada sells 99% of its oil into a saturated North American market at low prices.
Explanation:
Canada can meet the demand
US energy demand is increasing. And it’s expected to stay high for decades to come. Canada is one of the world’s largest producers of oil and gas, and can provide the supply America doesn’t produce for itself. Canada is a responsible producer
Canada ranks number one among the world’s largest oil reserve holders on Environmental, Social, and Governance (ESG) performance.
What is the continental drift theory?
Solve for w, x, and y triangle
What type of vegetation dominates the basin of the amazon river in south america?.
Answer:
Tropical rain forest dominates the Amazon River basin
we can generally expect the air to be ___ above areas of surface low pressure and ___ above areas of surface high pressure.
we can generally expect the air to be rising above areas of surface low pressure and sinking above areas of surface high pressure.
Multiple gases are mixed together. Approximately 78 percent nitrogen and 21 percent oxygen make up the air in the Earth's atmosphere. Other gases including hydrogen, neon, and carbon dioxide are also present in very minute concentrations in air. Even while the majority of the air is gas, it also contains a large number of small particles. Aerosols are the term for these airborne specks. The wind naturally carries some aerosols, such as dust and pollen. However, airborne contaminants like soot, smoke, and other toxins from power plants and automobile exhaust are also a possibility. Plants may find it challenging when the air contains too many particles.
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what type of tidal pattern exists on the east coast of the united states, which experiences two high tides and two low tides of similar heights every day? group of answer choices diurnal semidiurnal mixed semidiurnal diurnal mixed mixed
A semidiurnal tidal cycle exists on the east coast of the united states, which experiences two high tides and two low tides of similar heights every day
What is the Semidiurnal tidal cycle?
Every lunar day, there are two almost identical high tides and low tides, which is known as a semidiurnal tidal cycle. Their wavelength is greater than half the Earth's radius, and they have a period of 12 hours and 25 minutes
Additionally, it is the kind of tidal cycle one would anticipate from a planet fully covered in water and devoid of any continents to hinder the free flow of water.
Semidiurnal tides, or twice-daily high and low tides, are common along most shorelines. The more or less terrestrial to entirely marine conditions in the intertidal zone thus change twice daily, creating a strong vertical gradient of environmental element
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the riverbed of the yellow river is currently 20 meters above the floodplain, which would normally cause it to change course. what allowed the river to reach this condition?
The construction of levees is why the river reached this condition.
what is a flood plain?
A relatively flat region of land near a river or stream is referred to as a floodplain (or floodplain). It extends from the river's banks to the valley's outer reaches. A floodplain is divided into two sections. The first is the floodway, which is the river's main channel.
A levee is a dam with a specific function: to guard against floods caused by seasonally high water. Levees are vulnerable to water loading for only brief periods each year, ranging from a few days to a few weeks, unlike small earth dams. They must therefore be created and designed using levee-specific standards.
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The seasons occur as a result of ...
Answer:
The seasons occur due to the earth's spin axis since the Earth is tilted with respect to its orbital plane.
Explanation:
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what is not a characteristic of ephemeral streams? often carry flash floods usually dry are fed by groundwater flow mainly after rain are common in desert areas
Ephemeral streams are not fed by groundwater.
What are Ephemeral streams?
A transient stream that only runs for a short time as a direct result of precipitation is called an ephemeral stream. It mostly occurs in dry and semi-arid areas with intermittent rainfall. In contrast to intermittent streams, it lacks a diverse morphological channel or bed.
Precipitation happens relatively seldom in dry or semi-arid areas. As a result, when enough rain does fall, it frequently creates a transient stream on the surface.
The stream may forge a brand-new route or follow an already-created channel (also known as a dry wash) left behind by earlier ephemeral streams.
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what is the term for a boundary surface in a sequence of rock strata indicating lack of deposition, where erosion and deformation may have occurred?
The term for a boundary surface in a sequence of rock strata indicating lack of deposition, where erosion and deformation may have occurred an unconformity.
A buried erosional or non-depositional surface that separates two rock masses or strata with varying ages is called an unconformity, and it shows that sediment deposition was not continuous. However, the term is used to describe any pause in the sedimentary geologic record. In general, the older layer was exposed to erosion for a period of time before the younger layer was deposited.
A contact between two rock units called an unconformity occurs when the upper unit is typically significantly younger than the lower level. Unconformities are frequently buried erosional surfaces that can signify a discontinuity in the geologic record of several hundred million years or more. For instance, the contact between a bedrock surface that is 600 million years old and weathered 400 million years ago sandstone is an unconformity that signifies a 200 million year time gap. During that 200 million year period, sediment and/or rock that was immediately deposited on the bedrock was worn away, exposing the "basement" surface. Disconformities, nonconformities, and angular unconformities are the three different types of unconformities.
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why do some scientists think that comets aren't solely responsible for giving the earth it's oceans or drinking water?
The deuterium isotopes in cometary water differ from those in water on Earth. This is further supported by the discovery of two 4.5 billion year old meteorites that contained liquid water along with a wide variety of deuterium-poor organic molecules.
The deuterium to hydrogen ratio on Earth today is also consistent with the age of eucrite chondrites, which come from the asteroid Vesta in the outer asteroid belt. Both asteroids and comets are solid celestial entities that were created 4.5 billion years ago during the early solar system. Asteroids are rockier and only found in the Asteroid Belt (between Mars and Jupiter). On the other hand, comets, which originate from the outer solar system, are rich in water ice and other volatiles. The current preferred theory for how the Earth got its water is that it obtained it from elements (planetesimals) rich in water that comprised up a small portion of its building components. These planetesimals with abundant water would have either been comets or asteroids. It has been said that these are "dirty snowballs." They could provide crucial hints about how our solar system formed. The early Earth and other regions of the solar system may have received water and organic compounds from comets.
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how is energy is involved in the cycling of matter in The geosphere
Heat flow is the transfer of energy from a warmer object to a cooler object. Energy from the sun reaches Earth by radiation. Energy is transferred through the oceans, the atmosphere, and the geosphere by convection.
the 1930s dust bowl was caused by severe drought in prairie lands, coupled with farming techniques that left the bare soil vulnerable to wind erosion. which sustainable farming technique would help prevent such a phenomenon from happening again?
The 1930s dust bowl was caused by severe drought in prairie lands, coupled with farming techniques that left the bare soil vulnerable to wind erosion. Reduced tillage would help prevent such a phenomenon from happening again.
What is a dust bowl?
In general, a dust bowl is referred to as extreme degree of dust storms.
During 1930, severe dust storms occurred in the prairies of America and Canada causing great amount of damage to agriculture and ecology.
Both manmade and natural factors are considered responsible for the happening of such a devastating phenomenon in the history of United States.
To put it simply, a dust bowl is a massive destroying storm that damaged several acres of land and crops.
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I need help with Latitude and Longitude questions. Pls, answer and explain your answer.
Answer:
I am pretty sure it is either 3 or 4
Explanation:
upwelling currents near the coastline are driven by select one: a. the temperature of the water b. the terrain of the coast c. wind blowing parallel to the coastline d. wind blowing perpendicular to the coastline
Using the theories of upwelling, we got that wind blowing perpendicular to the coastline during the upwelling currents near the coastline.
Upwelling is the oceanographic phenomenon that involves wind-driven motion of dense, cooler, and usually the nutrient-rich water from deep water towards the ocean surface. It replaces warmer and usually nutrient-depleted surface water. The nutrient-rich upwelled the water stimulates the growth and reproduction of primary producers such as the phytoplankton. The biomass of phytoplankton and the presence of the cool water in those regions allow upwelling zones to be identified by the cool sea surface temperatures (SST) and high concentrations of the chlorophyll-a.
Hence, the upwelling currents near the coastline are driven by wind blowing perpendicular to the coastline
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grade 11 geography p1 november 2020
Answer:
can u elaborate more
but try this website https://modernclassroom.co.za/geography-grade-11-2020-previous-papers-and-memos/
Explanation:
Why are the Great Lakes important to both the United States and Canada?
The great lakes are important to both the United States and Canada because:
Tens of millions of Americans and Canadians get their water from them. The economies of both nations rely on the great lakes to support activities such as industry, farming, transportation, tourism, recreation, and energy production.
The many indigenous peoples in the area place tremendous cultural value on the health of the great lakes. Some tributaries of the great lakes were utilized for years to dispose of waste and other byproducts of economic growth as well as deteriorating infrastructure in order to accommodate these byproducts.
Industrial waste was commonly buried or dumped into wetlands and nearshore seas, while liquid waste was sometimes poured straight into streams and lakes. Solid garbage was frequently deposited into marshes.
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what is the single greatest advancement in tools used for observing tropical cyclones? group of answer choices data buoys meteorological satellites radar aircraft reconnaissance
The single greatest advancement in tools used for observing tropical cyclones is option b meteorological satellites.
Meteorological satellites are also known as weather satellites. These are earth observation satellites. It monitors the climate and weather of the earth. It can also detect the boundary of ocean currents, snow, aurora borealis, pollution, or ice mapping.
It is also useful in monitoring the activities of volcanoes. Satellites can be geostationary or moving in the same spot over the equator. They can hover around the earth also known as polar-orbiting.
Geostationary satellites are used to monitor the formation and movement of tropical storms. They track the intensity of cloud formation to detect tropical cyclones.
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When the north pole is tilted away from the sun, north america is experiencing which season?.
Answer:Winter
Winter: The northern hemisphere is experiencing winter when the North Pole is tilted away from the sun. You can see this in the picture of the Earth on the right. It is experiencing winter because it doesn't get as many direct sun rays.
Explanation:
