To the sedimentary rocks of western Pennsylvania to see bituminous, and to the metamorphic rocks of eastern Pennsylvania to see anthracite.
What is sedimentary rocks?Along with igneous and metamorphic rocks, sedimentary rocks are one of the three primary categories of rocks. They are created by the compaction of sediments from the ocean or other activities on or near the Earth's surface.
In contrast to metamorphic and igneous rocks, which are generated deep beneath the Earth, sedimentary rocks are formed on or around the surface of the planet. Erosion, weathering, dissolution, precipitation, and lithification are the main geological processes that result in the formation of sedimentary rocks.
The impacts of wind and rain, which gradually reduce huge boulders into smaller ones, are included in erosion and weathering.
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Terranes refer to
-subducted oceanic crust that is melted and later reaches the surface in volcanic eruptions or cools in the subsurface as an intrusive body.
-the topography of a tract of land.
-the formation of new oceanic crust along mid-ocean ridges.
-fragmented crustal material from one plate and accreted to another plate.
-a large region where a craton is exposed at the surface.fragmented crustal material from one plate and accreted to another plate.
Terranes refer to -fragmented crustal material from one plate and accreted to another plate.
What are earth plates?Plate tectonics, whose name derives from the Late Latin tectonicus and the Ancient Greek letter v, which means "pertaining to building," According to the widely accepted scientific idea, the Earth's lithosphere is made up of many major tectonic plates that have been gently shifting for nearly 3.4 billion years. The model is based on the idea of continental drift, which was created in the early 20th century. After seafloor spreading was confirmed in the mid- to late 1960s, plate tectonics became largely accepted by geoscientists. Depending on how they are defined, the lithosphere of Earth, which is the solid outermost shell of the planet (the crust and upper mantle), is divided into seven or eight major plates and several lesser plates or "platelets."
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Which statement about food webs is false? A food chain (an overly simplified food web) is often too simplified to be useful in studying the impact a species has in an ecosystem. A food web can be a useful tool for understanding potential impacts invasive species have on native species when they are introduced into an ecosystem. A food web is a dynamic model describing all species interactions under all environmental conditions.
Food webs that try to outline every species interaction are difficult to construct and often become "spaghetti diagrams"
A food web can be useful tool for understanding the potential impacts invasive species have on the native species when they are introduced into ecosystem.
What is a food web?An ecological community's what-eats-what is depicted graphically in a food web, which is the result of the natural connections between food chains. A different term for the food web is the consumer-resource system. The two trophic levels are used by ecologists to broadly group all living things. Energy is required for these chemical reactions, which is primarily obtained from the Sun and photosynthesis. A very small amount is also obtained from bioelectrogenesis in wetlands and mineral electron donors in hydrothermal vents and hot springs. These trophic levels aren't binary; instead, they form a gradient that includes complete autotrophs, which get all of their carbon from the atmosphere, mixotrophs, which are autotrophic organisms that get some of their organic material from places other than atmosphere, and complete heterotrophs, which have to consume the other organisms to get organic material.
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based on your own observations of nature or using provided resources, describe the vegetation in your region and explain how it differs from that of the two gorongosa sites.
Gorongosa's savanna has patches of grassland and woodland. Grassland is made up of large expanses of open grassy plains with no trees.
A biome is a locale characterized by the predominant vegetation type coming about because of the environment and geology of that area. Locales at comparable latitudes across the planet will quite often have comparative environments furthermore, consequently comparative biomes. Notwithstanding, environment is likewise impacted by a district's geology, prompting changes in biome characteristics in areas situated at a similar latitude.
Temperature and precipitation designs inside a locale can be utilized to foresee the biome and its wide vegetation characteristics. Biodiversity is the range of species tracked down in Earth's earthbound and maritime ecosystems. The fulfillment of an ecosystem's biodiversity is often utilized as a proportion of its wellbeing.The creatures found inside a biome have variations that permit them to get by and repeat in that climate.Normal unsettling influences, like fire, tempests, and sickness, can impact the vegetation and life forms adjusted to a biome.The interactions among living and nonliving factors, like harmonious connections, rivalry, environment, geology, regular peculiarities, and human impact, inside an ecosystem can impact the biodiversity inside a biome.to know more about the ecosystem click here:
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during the last ice age, glaciation was a major contributor of the parent material that ultimately formed the soils in north carolina. t/f
False, Glaciation did not significantly contribute to the parent rock that eventually formed the soils of North Carolina during the most recent ice age.
Cecil soil, which covers more than 1.6 million acres in North Carolina, is the most prevalent kind of soil, according to the Natural Resources Conservation Agency (NRCS). The state's official soil of North Carolina is Cecil dirt.
Porphyritic felsic, igneous, & metamorphic rock combine to make this soil. Feldspar as well as other light-colored minerals make up felsic rock, igneous rock is created under extreme heat, and metamorphic rock has undergone heat and pressure-induced changes.
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Which part of the Earth have more amount of energy received less amount of energy received?; How does the amount of heat received by the Earth from the sun able it to support life?; Which form of energy is the main source of light on Earth?; How does longer daytime affect the amount of solar energy received by the Earth?
Sunlight is a type of electromagnetic radiation emitted by the Sun, specifically infrared, visible, and ultraviolet light.
In the tropics there is a net energy surplus because the amount of sunlight absorbed is larger than the amount of heat radiated. In the polar regions, however, there is an annual energy deficit because the amount of heat radiated to space is larger than the amount of absorbed sunlight.The delicate balance between the amount of heat received from the sun and the heat radiated back into space allows the planet to support life.Solar energy is the main source of light on Earth.Having fewer hours of daylight reduces the amount of solar energy you receive in a day.To know more about Sunlight here
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topographic features oriented east-west are irrelevant to the amount of snow received by cities along the front range of the rocky mountains
Topographic features are very important points, lines, and regions that have a specific meaning for describing the shape of the terrain: they correspond to the local various properties of the terrain surface.
A point of the surface is related to some characteristic class depending on the structure of the surface in its neighborhood. main features are peaks, pits, and passes.
A peak is a point of relative highest, a pit is a point of relative lowest, and a pass is a saddle point for the surface, i.e., a point where there is a local highest in one direction and a local minimum in a different direction.
Lineal aspects are ridges and valleys. a point lies on a ridge if its neighborhood can be subdivided by a line passing through it, and such that the surface in each half-neighborhood is monotonically reducing when moving away from the line.
A ridge occurs where there is a local maximum in the surface in one direction, a valley occurs where there is a local least in one direction.
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What property of soil depends on the size of the particles?; Which property of soil depends on the size of particles color odor temperature texture?; What is the texture of soil depends on?; How does soil particle size affect texture?
Soil texture is defined as the relative ratios of particle diameter that comprise the soil.
Texture refers to the particle size. The average size of a soil particle is determined by the relative proportions of sand, silt, and clay in the soil. The average size of soil particles geography increases as the quantity of sand in the soil increases, and the resulting soil gets coarser in texture. Conversely, increasing the quantity of clay in the soil reduces the average diameter of the soil particles, resulting in a finer-textured soil. Locate the percentages of clay and silt on the triangular textural diagram's silt and clay side lines, respectively. Then, in the first scenario, draw lines thru these points inwards, perpendicular to the clay side.
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Answer: the answer is texture
Explanation:
reading the trendline (no calculation needed), what would be the discharge of a 20-year flood? enter a number only.
Likely discharge for 20 years is around 17,000 cfs according to the given trendline.
The amount of water that passes through a given cross-section in a given amount of time is known as the discharge, and it is typically measured in cubic feet per second (cfs) or cubic meters per second (cm/s) (cms). The stage is the height of the water's surface relative to a datum (often sea level). If there is a second rainfall event after the first, it might also be cut short by another peak in discharge. The peak discharge is the amount of water that a river can hold at one time following a rainfall event; if this level exceeds the bank's full discharge, a flood will result in which the river overtops its banks.
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What is a floodplain?
A. A flat surface above a river channel
B. A wavy surface above a river channel
C. A flat surface below a river channel
D. A flat surface next to a river channel
E. A wavy surface next to a river channel
Floodplain is a A flat surface next to a river channel.
Hence, Option D is correct.
A floodplain, also known as a flood plain or bottomlands, is a region of land next to a river that stretches from the channel's banks to the foot of the valley's surrounding walls and is subject to flooding during times of heavy flow.Lakes, rivers, hiking routes, and places to witness abundant animals are all present in floodplains, which also offer a variety of leisure activities. Additionally, the long history of settlement in floodplains due to the lure of the lush soil and many resources fosters a sense of community and place in these areas.To know more about floodplains here
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what is hydrogen fuel; is hydrogen renewable; hydrogen production from water; hydrogen internal combustion engine vs fuel cell; hydrogen fuel vs gasoline efficiency; hydrogen fuel cell technology; hydrogen fuel advantages and disadvantages; hydrogen as an alternative fuel
Hydrogen (H2) is an alternative fuel that can be produced from diverse domestic resources.
Explanation-Government and business are working toward clean, affordable, and safe hydrogen production and distribution for widespread usage in fuel cell electric vehicles even though the market for hydrogen as a transportation fuel is still in its infancy (FCEVs). Limited numbers of light-duty FCEVs are currently on the market for the customer in specific domestic and international locales. Buses, ground support equipment, medium- and heavy-duty trucks, maritime vessels, and stationary applications are other market segments that are expanding. See the Hydrogen Analysis Resource Center and fuel characteristics for more details. Our environment is rich in hydrogen. It is kept in organic materials including methane (CH4), water (H2O), and hydrocarbons.
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What is a land breeze air that?; What is a land breeze ?; What is land breeze in Brainly?; What is a breeze blowing toward the sea from the land especially at night because the sea is warmer than the land?
Flowing from land to water late at night is a characteristic of the local wind system known as the land breeze. Along beaches near big bodies of water, sea breezes and land winds alternate.
What is a breeze blowing toward the sea from the land especially at night because the sea is warmer than the land?A wind that blows from the ocean inland and toward land is referred to as a sea breeze. Due to the greater temperature differential between the ocean and neighboring land, particularly in the afternoon when the land is most heated by the sun, this breeze happens more frequently in the spring and summer.
What is the reason for the occurrence of land breeze and sea breeze?The ability for heat absorption and retention varies between land and water. As a result, the air above them becomes either lighter or heavier. A breeze is created when the heavier, colder air travels toward the lighter, hotter air. Therefore, it is the cause of both the land breeze and the sea breeze.
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sep use models the milankovitch cycles have been used to help explain how ice ages have occurred. use your model to explain how the three cycles could interact and result in an ice age.
Milankovitch cycles describe the collective effects of changes in the Earth's movements on its climate over thousands of years.
The term was authored and named after Serbian geophysicist and stargazer Milutin Milanković. During the 1920s, he hypothesized that varieties in capriciousness, hub slant, and precession joined to bring about recurrent varieties in the intra-yearly and latitudinal dispersion of sun oriented radiation at the Earth's surface, and that this orbital driving firmly impacted the Earth's climatic patterns.
Comparative galactic hypotheses had been progressed in the nineteenth hundred years by Joseph Adhemar, James Croll, and others, however check was troublesome on the grounds that there was no dependably dated evidence, and on the grounds that it was hazy which periods were important.[citation needed]
Lately, materials on Earth that have been unaltered for centuries (got by means of ice, rock, and deep sea silt cores) have been considered to demonstrate the historical backdrop of Earth's environment. Albeit comprehensively reliable with the Milankovitch hypothesis, various explicit perceptions are not made sense of by the hypothesis
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approximately how old is specimen a? fill in the blanks to arrange the rock specimens from oldest to youngest.
The specimen A is less than 5 million year old.
Arranger the rock specimens from oldest to youngest.
Oldest Youngest
Specimen : C D B A
A: No daughter element. (less than 5 million years)
B: Equal number of parent and daughter element. (5-7 million years)
C: No parent element. (20 million years)
D: 26 daughter element 4 parent element (10 million years)
Age of the rock specimen depends on the daughter to parent atoms ratio. Higher the parent to daughter ratio, greater the age of the rock specimen. Using the parent to daughter atoms ratio, it can be seen that the age of rock.
After one half-life, the parent-to-daughter ratio will be 1:1. One-quarter of the original radioactive parent atoms will remain after the remaining half of the molecule has decayed after two half-lives. With these newly created atoms, the total number of daughter atoms now stands at 75 percent of the total number of parent and daughter atoms.
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During wastewater treatment, which of the following steps will happen after organic matter is broken down by bacteria in aeration basins? Primary clarifiers allow greases and fats to rise.
Disinfection treats and purifies the water.
Bar screening physically removes large objects.
Grit screening allows large particles to settle.
In wastewater treatment, bar screening physically eliminates big objects or secondary clarifiers. The correct response is option (3).
What is wastewater treatment?A technique called wastewater treatment is used to clean up impurities from wastewater and turn it into an effluent that can be reintroduced to the water cycle. The wastewater either has a minimal influence on the environment after entering the water cycle or is utilised for different reasons.
Clarifiers work on the gravity-based settling concept. The Clarification Zone's quiet environment allows the heavier suspended particulates to settle in the clarifier. The settled solids are swept to the middle well intended for collecting sludge with the help of moving scraper blades. Wastes and suspended solids are removed from the biological contactor units' rotating effluent by secondary clarifiers. The settable solids are eliminated by allowing the wastewater to run through the clarifiers at a slower rate than is required for the larger particles to separate out. Supplemental clarifiers are used to separate biological floc from the treated liquid waste stream. For suspended growth, secondary clarifiers are typically used in conjunction with biological wastewater treatment systems.
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Artificial wetlands ________. A) are the major program for replacing lost natural wetlands
B) purify water for use as bottled drinking water
C) can help purify water and also provide recreational opportunities
D) are a source of arsenic contamination in Bangladesh
E) are created using xeriscaping methods
Artificial wetlands can help purify water and also provide recreational opportunities.
What Is an Artificial Wetland?A man-made recreation of a wetland environment is known as an artificial wetland. These artificial wetlands are regularly used as part of initiatives to rebuild the habitats and ecosystems of natural wetlands. Additionally, some artificial wetlands are further constructed to perform additional functions, frequently connected to the filtration and treatment of water or sewage. Such artificial wetlands can frequently be a good substitute for more industrial water and waste treatment procedures.
What are the benefits of artificial wetlands?It may be technically possible to remediate stormwater using constructed wetlands. Local treatment system installation has various advantages, including increased soil health and drought resistance, decreased flooding and stream erosion, sediment collection and nutrient uptake, and the creation of green space.
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How old do geologists think the Earth is?; How old do we believe the Earth is?; How did geologists find out that Earth is 4.6 years old?; How do we know Earth is 4.5 billion years old?
They have investigated meteorite and moon rocks, none of which have undergone the rock cycle's alterations. On such rocks, the same radiometric dating methods have been applied.
What age do geologists believe the Earth to be?With a 50 million-year margin of error, the age of the Earth is calculated to be 540 million years. In order to radiometrically date the oldest rocks, scientists have combed the whole planet. They found rocks in northwest Canada that are practices and better billion years old.
This same Earth is 4.5 billion years old, but how can we know this?Scientists have determined that Jupiter is 4.54 billion years old by analyzing the rocks in its ever-changing crust as well as the materials in Humanity's neighbours, such as the moon and passing meteorites.
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in the north atlantic, when a tropical cyclone strengthens and first reaches sustained winds of 39 mph (34 kt) or more, it is considered a tropical___and is officially assigned a name.
In North Atlantic, when tropical cyclone strengthens and first reaches sustained winds of 39 mph (34 kt) or more, it is considered tropical storm and is officially assigned name.
What is a tropical cyclone?A spiraling arrangement of thunderstorms that produce torrential rain and squalls, a low-pressure core, powerful winds, and a closed low-level air circulation are the characteristics of a tropical cyclone. A tropical cyclone can go by a variety of names, such as hurricane, tropical storm, cyclonic storm, tropical depression, or just cyclone, depending on where it is and how strong it is. Since these systems generally exclusively originate over tropical oceans, the term "tropical" relates to their geographic origin. Their surface winds blow counterclockwise in the northern hemisphere and clockwise in the southern hemisphere, and are referred to as "cyclones" because they move in a circle around a central clear eye. The Coriolis effect is responsible for the circulation's opposite direction. Large bodies of relatively warm water are where tropical cyclones often form.
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if you wanted to reconstruct ocean temperatures on short timescales (decades to centuries) with annual resolution, which of these archives would be the best target?
if you wanted to reconstruct ocean temperatures on short timescales (decades to centuries) with annual resolution corals archives would be the best target.
The shape that the water adopts depends on the ocean temperature. The majority of the ocean's water is liquid, but as temperatures drop, the water condenses into ice, or when temperatures rise, it evaporates into the sky as water vapour. The ocean is crucial in absorbing energy from the Sun and preventing the Earth from becoming too hot since water warms up more slowly than air but can keep more heat. Water requires four times as much energy to increase its temperature by one degree Celsius as compared to the same quantity of air.
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What does a triangle represents on a weather maps?; Are shown by a line with triangular points on one side?; What are the 4 types of weather fronts?; What type of front is depicted in the weather map?
A blue line with a triangle pointing in the direction of travel is used to represent cold fronts. Cold fronts mark the front of a cold air mass that is pushing aside a warmer air mass.
Are shown by a line with triangular points on one side?;A cold front is depicted as a blue line with triangles on one side. A cold front indicates that colder air is attempting to replace warmer air on a weather map. The chilly air's front edge is marked by the front. The blue triangles consistently point in the direction of the front's movement and the flow of cold air.
What are the main types of fronts?Cold fronts, warm fronts, stationary fronts, and occluded fronts are the four different types of weather fronts.
How are fronts named?The air mass at the front's front edge lends both warm and cold fronts their names. To put it another way, a warm front represents the leading edge of moving warm air, and a cold front is directly at the leading edge of moving cold air.
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Which of the following statements is INCORRECT?
a) Israel's population is about 8 million.
b) Israel's Security Barrier walls off the West Bank.
c) In 2005 Israel decided to yield the Gaza Strip to the Palestinian Authority.
d) The United Nations gave Jerusalem to the Israelis under the 1947 partition resolution.
e) The Palestinians and the Israelis both desire Jerusalem as their capital.
d
The following statements are incorrect. Under the partition resolution of 1947, the United Nations granted Jerusalem to Israel.
The United Nations (UN) is an inter - governmental organization whose declared goals are to maintain peace and security, foster cordial relations among nations, accomplish international cooperation, and serve as a focal point for nations' actions to be coordinated. It is the largest and most well-known international organizer in the world. The United Nations is headquartered on global territory in New York City, with additional headquarters in Geneva, Nairobi, Paris, and The Hague. The United Nations was founded after World War II to prevent future world wars, following the League of Nations, which was deemed useless. On April 25, 1945, 50 states assembled in San Francisco for a summit and began drafting the United Nations Charter, which has been adopted on June 25, 1945.
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match each description with the type of artwork it describes
designed as a defense against invasion troops manned the balconies with crossbows. Detailed carvings of soldiers in various facial expressions on rough stones.
tombs that have three parts and were designed to house an emperor in the afterlife. Terracotta Warriors were another name for the terracotta troops. Emperor Qin Shi Huang constructed life-size terracotta soldiers for his funeral burial due to his desire for immortality. There are horses, chariots, armored troops, and archers in it. Terracotta soldiers were made to guard the emperor in the afterlife. Archaeologists estimate that the army consisted of 8,000 troops, 520 horses, and 130 chariots. Pottery called terracotta is distinguished by the earthenware color of its brownish-red hue.
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What is most likely to form where two tectonic plates push toward each other?; What type of feature is formed when two tectonic plates come together?; Which landforms is most likely caused when two tectonic plates meet and push against each other?; What features form when two oceanic plates converge?
If two tectonic plates collide, they form a convergent plate boundary. Usually, one of the converging plates will move beneath the other, a process known as subduction.
How does two tectonic plates collide?A convergent plate boundary is created when two tectonic plates clash. Subduction is the process of one of the convergent plates moving beneath the other. Where tectonic plates are subducting, deep trenches frequently occur, and subduction zones frequently experience earthquakes as well. A convergent plate boundary is created when two tectonic plates clash. The Earth's crust is compressed and thrust upward along a convergent plate boundary, such as the one that separates the Indian Plate from the Eurasian Plate, creating towering mountain ranges like the Himalayas. New crust is created as molten rock rises from the Earth's center and cools, pushing older crust against other plates or sinking beneath them.
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Los Angeles has developed a major problem with pollution because of increases in all of the following EXCEPT—
Los Angeles has developed a major problem with pollution because of increases carbon monoxide.
Why does Los Angeles and Los Angeles have a smog problem?
The constant vehicular traffic on the highways, ports and skies of LA and Long Beach all contributes to the destruction of the ozone layer and the accumulation of smog. The Los Angeles area also has more than enough refineries and industrial plants that contribute to air pollution.
What Causes LA's Water Pollution?Improperly disposed of hazardous household wastes such as thinner and antifreeze can migrate from landfills and contaminate water sources. Pesticides sprayed on crops can be carried into lakes and streams after heavy rains. Some water pollutants pose serious health problems.
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How were the Galapagos island finches similar to each other and yet different?; What observations did Charles Darwin make about finches in the Galapagos Islands?; How did Darwin explain why the finches on the Galapagos Islands look so similar?; How did Darwin explain the similarities and differences between the species of Galapagos finches?
These birds, although almost indistinguishable in all other aspects to mainland finches, possessed distinct beaks. Their isolation on the islands over long periods of time made them undergo speciation.
Why are the Galapagos Islands well-known?The islands are well-known for their renownedly courageous animals and for serving as Darwin's theory of evolution's inspiration. And that just tells a portion of the tale. The Galapagos islands Archipelago is one of the world's most volcanically active regions.
Is visiting the Galapagos Islands safe?Regarding health and personal security, the Galapagos Islands are some of the safest places on earth. In 1959, the islands were designated a National Park in order to protect the archipelago.
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What are the characteristics of a shield volcano?
Shield volcanoes frequently have calderas. Over the lifetime of the volcano, they are produced and regenerated. Cinder cones are created by prolonged eruptions, which eventually collapse to create calderas.
A volcano made of almost entirely of flowing liquid lava. They resemble a warrior's shield that is resting on the ground and are often low, big, and flat. They produce lava that is more fluid than that from stratovolcanoes, which is what causes this.
When a volcano spews low viscosity, runny lava, it extends far from the crater and creates a shield volcano, which has soft slopes. The majority of shield volcanoes are created by flowing basaltic lava. Shield volcanoes Mauna Kea and Mauna Loa exist.
The largest volcanoes on Earth that truly resemble volcanoes are shield volcanoes (i.e. not counting flood basalt flows).
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Earthquakes can sometimes cause these massive walls of water. A. Tsunamis B. Hurricanes C. Floods D. Wildfire
Earthquake sometime causes Tsunamis. So the answer is option A.
When an earthquake occurs in ocean, it displaces a large amount of water as powerful waves, when they reach the coastal regions to form Tsunamis. Tsunamis are massive waves formed by displacement of a large amount of water.
It usually takes place in larger water bodies like oceans and seas. Various factors could contribute to the formation of Tsunamis like Earthquake, Volcanic eruptions, other underwater disturbances etc. It comes as a series of large waves and causes considerable destruction. Some waves can even reach up to a height of 100 its. It is also called as seismic wave or tidal wave.
So the answer to the question is the massive wall of water caused by earthquake are called Tsunamis
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it is not possible for global warming to have any positive side effects.; scientists disagree about the possible effects of global warming.; some scientists believe that global warming will bring about extreme weather.; some scientists believe that global warming will lead to an increase in disease and starvation.; local environmental changes have no effect on the global climate.; changes to the global climate could include; how does an increase in the annual melt season in antarctica have a global effect?; the early arrival of spring in new hampshire has no effect on wildlife. true or false
True- As large majorities of Americans think global warming will lead to an array of negative effects for the Earth's ecosystems.
what is global warming?The gradual increase in the planet's surface temperature is known as global warming. Although this warming trend has been around for a while, the burning of fossil fuels has greatly accelerated its pace over the past century. The amount of fossil fuels burned has increased along with the size of the human population. The increase in earth's temperature brought on by the emission of greenhouse gases is known as global warming. The consequences for the environment could be devastating. Polar ice caps are melting and water levels are rising as a result of the rise in temperature. All of these are the result of humans. Since it influences what to expect from the climate in the future, global warming is significant.
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Answer:
true
Explanation:
I took the test on
TRUE/FALSE. in 1958, lituya bay (ak) witnessed a tsunami resulting from a rockfall of approximately 9 million tons of debris falling 90 meters into the bay.
false. An estimated 9 million tons of rock and other debris fell 90 meters into Lituya Bay (AK) in 1958, causing a tsunami. The 1958 Lituya Bay earthquake.
A fjord called Lituya Bay is situated on the Fairweather Fault in the Gulf of Alaska's northern region. It is a T-shaped harbor that is 2 miles (3 km) wide and 7 miles long (11 km). [10] An ice-scoured tide entrance with a maximum depth of 722 feet is Lituya Bay (220 m). The shallow bay's entrance is barely 33 feet deep (10 m). [10] The Gilbert and Crillon inlets, which are a portion of a trench on the Fairweather Fault, are the two arms that make up the top of the T-shaped bay. Lituya Bay has had three previous tsunamis above 100 feet in the preceding 150 years: in 1854 (395 ft or 120 m), and in 1899 (200 ft).
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Why is North Africa separated from the rest of Africa?
The African Transition Zone, a transitory region between Christian and animist-dominated Sub-Saharan Africa and Islamic-dominated North Africa, separates Sub-Saharan Africa from North Africa.
Additionally, it marks the change from the Sahara Desert to the tropical climates of type A found in Africa's equatorial region. Its borders are liable to change in this area. The area was previously a crucial commercial route connecting the Ethiopian trading hubs in the east with the western Mali Empire. This region of Africa has seen centuries-long camel caravan transit, and it's possible that camel caravans from Mecca have through this region. Numerous nomadic tribes are still moving their livestock across the area in search of grass.
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TRUE/FALSE. land subsidence is worsened by the cessation of groundwater pumping, because the additional water that is retained underground weakens the rock, making it subside more easily.
The halt of groundwater pumping exacerbates land subsidence because the more water trapped beneath weakens the rock, causing it to settle more readily. (False)
When a lot of groundwater has been removed from specific types of rocks, particularly fine-grained sediments, land subsidence occurs. The earth is partially held up by water, which causes the rock to compress. When the water is turned ofall.You might not notice land sinking much since it can occur over large regions as opposed to a single, tiny spot, like a sinkhole. Subsidence is a common occurrence, but this does not mean it is not significant; over time, states like California, Texas, and Florida
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