The recent recognition of a link between increasing rates of deforestation and increasing global climatic warming has focused new attention on the ecological role of forests. Deforestation threatens the continued existence of forests, and their loss would lead to an immediate, irreversible destabilization of the climate because the destruction of forests contributes to increased atmospheric concentrations of such heat-trapping gases as carbon dioxide and therefore to the acceleration of global warming.
The world is at present accumulating carbon dioxide in the atmosphere from two well-known sources: the combustion of fossil fuels and deforestation. Deforestation results in higher levels of carbon dioxide in the atmosphere because the carbon stored in plants and trees is released when trees decay or are burned.A third sources, the warming-enhanced decay of organic matter in forests and soils, especially in the middle and higher latitudes, is now being recognized as potentially significant. Evidence is accumulating that carbon from this source is beginning to have global effects. Thus, two of the three sources of carbon dioxide in the atmosphere are directly related to the survival and health of forests.
In the discussion about the importance of forests, however, emphasis has fallen on biodiversity, or numbers of species per unit area, especially in the tropics, where such diversity is particularly high. But forests, it should be emphasized, have a similar role in every latitude: they contain the largest numbers of developed of the terrestrial communities from the standpoint of complexity of structure and diversity of life and life forms. Forests are far more than simple collections of species, however, it is unfortunate that the discussion of biotic or living resources has been focused on biodiversity rather than on the actual ability of the land itself to support life. In order for the complete range of plant and animal life to thrive, the soil must contain essential nutrients in their proper quantities and proportions, and the atmosphere must be composed of the correct molecules in their proper proportions. If the soils were to become infertile and the atmostphere inhospitable, more than mere diversity or numbers of species would be lost, the land would become impoverished and no longer be able to support any life.
Deforestation almost invariably speeds up the loss of nutrients into watercourses. It also, as previously explained, involves a release of carbon into the atmosphere. Forests thus play a clear and critical role in helping to protect the capacity of the land to support life by increasing the retention of nutrients and in helping to stabilize the atmosphere by storing carbon.

Answers

Answer 1

Answer:

Deforestation is the process of cutting forests as trees. Its dangers is explained below.

Explanation:

Deforestation means cutting of trees or forest for some specific purposes. This can also include bush burning.

It has many adverse effect on our ecosystem and affect plants.

In one aspect, deforestation release carbon iv oxide into the atmosphere from burning of trees and bushes. Although, CO2 can be beneficial to plants for photosynthesis, its excess affects negatively.

Also, deforestation invariably speeds up the loss of nutrients into watercourses.

Furthermore, deforestation is an agent of global rise in temperature, also known as global warming l, which posed a threat our ecosystem and brings about destruction of plants. Forest protect the land from nutrients' depletion which is needed for healthy plants cultivation

It can be recommended that the dangers in deforestation supersedes its advantages, and thereby should be discouraged.


Related Questions

What would happen to Earth's temperature if the energy absorbed from the sun (solar radiation) was less than the emitted (thermal) energy leaving the Earth? (2)

Answers

Answer:

The earths temperature will decrease

Explanation:

The earth absorbs about 45% of solar radiation, 29% are emitted back to space. This process of solar radiation being absorbed and distributed to the components of the earth and the reflection of excess energy back to space is known as the earth's energy budget and this process is necessary to keep the temperature of the earth relatively stable.

If the energy absorbed by the earth is less than the energy leaving the earth, the earths temperature will decrease. This means that there is less energy coming in compared to the energy lost to space.

Final answer:

If less solar energy is absorbed compared to the thermal energy emitted from the Earth, the Earth's temperature would decrease. This cooling would occur due to an imbalance in the energy equilibrium that presently exists, which is regulated by factors like cloud cover and the greenhouse effect.

Explanation:

If the energy absorbed from the sun (solar radiation) was less than the energy leaving the Earth (thermal radiation), the Earth's temperature would decrease. This is due to the principle of energy balance. The Earth's relatively constant temperature is the result of an equilibrium between the incoming solar radiation and the energy radiated from the Earth.

A great deal of this balance is intermediate by Earth's varied characteristics such as cloud cover and the greenhouse effect. Greater temperatures can cause more water to evaporate, forming more clouds which reflect more radiation back into space, hence lowering the temperature. Furthermore, the greenhouse effect attributes to this energy balance by absorbing the vast majority of the infrared radiation emitted from the Earth. Key gasses, such as carbon dioxide (CO₂) and water (H₂O) in the atmosphere, re-radiate this absorbed energy either back to Earth or into outer space. The re-radiation back to Earth helps maintain its surface temperature.

It is important to note that these processes allow the Earth to maintain suitable temperatures for life. Therefore, if less solar radiation is absorbed compared to the thermal radiation emitted, the unbalanced energy would cause the average global temperatures to fall, leading to a cooler climate on Earth.

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They formed from the collision of the indian landmass with the asian continent.

Answers

Answer:

See explanations

Explanation:

The Indian Plate or India Plate is a major tectonic plate straddling the equator in the eastern hemisphere. Originally a part of the ancient continent of Gondwana, India broke away from the other fragments of Gondwana 100 million years ago and began moving north. Once fused with the adjacent Australia to form a single Indo-Australian Plate, recent studies suggest that India and Australia have been separate plates for at least 3 million years and likely longer.The Indian Plate includes most of South Asia—i.e. the Indian subcontinent—and a portion of the basin under the Indian Ocean, including parts of South China and western Indonesia, and extending up to but not including Ladakh, Kohistan and Balochistan.[

Most cities do not benefit from the free ecosystem services provided by ____, including air purification, generation of oxygen, removal of atmospheric carbon dioxide, control of soil erosion, and the provision of habitat for wildlife. Group of answer choices

Answers

Answer:

Trees and Plants

Explanation:

Trees and plants in our communities are responsible for the maintenance of our ecosystem. There activities include carbon sequestration ( Plants remove carbon from the atmosphere and  fix it in their tissues), generation of oxygen (they generate oxygen as a by-product when photosynthesis occurs), control of soil erosion ( it is well known that plants and trees help in erosion control. in fact places with trees and good vegetation cover rarely suffer the effects of erosion) and habitat provision for wildlife (countless species make the trees and plants their abode or habitat i.e where they live).

This shows how important plants and trees are to our ecosystem.

Forests provide essential ecosystem services such as oxygen production, carbon sequestration, pollution removal, climate and flood regulation, and habitats for wildlife, which most cities lack. These services are vital for environmental health and human well-being, including the cultural and aesthetic value that forests add to our lives.

Most cities do not benefit from the free ecosystem services provided by forests, including air purification, generation of oxygen, removal of atmospheric carbon dioxide, control of soil erosion, and the provision of habitat for wildlife.

Forests play a critical role in providing services such as oxygen production and carbon sequestration, pollution removal from air, soil, and water, flood control, and groundwater and stormwater management.

Additionally, they assist in surface shading and cooling of air temperature by evapotranspiration, and serve as a wildlife and pollinator habitat, creating green spaces for human well-being.

Forests are essential for maintaining nutrient cycling, soil formation, and primary production, which are crucial for agriculture and food security.

Moreover, they contribute to climate regulation and protect against environmental hazards such as floods. Finally, forests offer cultural, recreational, and aesthetic benefits, serving as inspiration for artists and providing relaxation spaces for people.

The Moon formed when a protoplanet (a "baby" planet) slammed into Earth as it was still forming. Instead of forming a small Moon and large Earth, what if instead they formed two equally-sized objects that orbit each other. Since they would have the same mass and size (both smaller than Earth), what would you expect about how these two objects would cool?

Answers

Answer:Reduced revolution

Explanation:since revolution responsible for the varying effect of time and changes in the effect of the mid day sun, if they bother revolve the sun at reduced time rate, it will reduce the effect of the heat from the sun.

Which of the following statements represent data rather than interpretation? Which of the following statements represent data rather than interpretation? Yellowstone N.P. has an area of low topography nearby caused by hotter than average mantle below the crust. There is an area of low topography southwest of Yellowstone Volcanic features in Yellowstone N.P. are related to the process that produced the low topography to its west. The low topography to the west of Yellowstone N.P. formed when North America moved over a hot spot. Yellowstone N.P. is a supervolcano.

Answers

Answer: There is an area of low topography southwest of Yellowstone

Explanation: data refers to information gathered in other to solve or interpret or generate insight on a particular study.

Interpretation refers to explanation of fact derived from data. Stating how and why a particular conclusion was made.

The statement, 'there is an area of low topography southwest of yellowstone' represents a data which can be adopted in the process of interpretation as it doesn't explain why, how or the significance of the low topography southwest of Yellowstone.

Other statements in the option explained the cause and formation of the yellowstone and the volcanic features at the yellowstone N. P

Final answer:

The statements representing data about Yellowstone National Park are those that provide factual descriptions without explaining causes or reasons. This includes their statements about low topography, supervolcano status, and the hotter than average mantle. Distinguishing between data and interpretation is crucial for understanding the difference between raw facts and our explanations of these facts.

Explanation:

The statements that represent data rather than interpretation are: 'Yellowstone N.P. has an area of low topography nearby caused by hotter than average mantle below the crust.', 'There is an area of low topography southwest of Yellowstone', and 'Yellowstone N.P. is a supervolcano.'

These statements are observational facts giving a description of Yellowstone National Park (N.P.) and its features. They don't interpret or try to explain the reasons or causes behind these observations. On the other hand, the statements like 'Volcanic features in Yellowstone N.P. are related to the process that produced the low topography to its west.' and 'The low topography to the west of Yellowstone N.P. formed when North America moved over a hot spot.' are interpretations, as they are trying to find explanation or reasons behind some phenomena or facts.

Understanding the difference between these two is important as data gives you the raw, unbiased facts while interpretation tries to make sense of these facts based on our existing knowledge and understanding of the world.

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What process leads to deforestation and increased erosion?
A. mining
B. reforestation
C. urbanization

Answers

A mining

Hope this helps!

Both mining and urbanization lead to deforestation and increased erosion by removing vegetation that holds soil together and prevents erosion.

The process that leads to deforestation and increased erosion can be both A. mining and C. urbanization. When vast land areas are cleared for extraction of minerals (mining) or for the expansion of cities and infrastructure (urbanization), the vegetation which hold the soil together and help prevent erosion is removed. This favors the action of wind and water, which can carry away the top soil, leading to erosion.

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Which dating method provides dates between 40,000 and 100,000-300,000 years ago, and enables us to determine the date when ancient pottery fragments were last fired, or when burnt-flint artifacts last were heated? Group of answer choices radiocarbon dating electron-spin resonance dendrochronology thermoluminescence

Answers

Answer:

201

Explanation:

What are common tectonic settings associated with volcanic activity?

Answers

Answer: Mantle plumes, Continental rifts, island arcs, and Continental arcs

Explanation:

Mantle plume is the mechanism of convecting abnormally hot rocks within the Earth's mantle. The plume head partly melts on reaching shallow depths, the plume is often invoked as the cause of volcanic hotspots.

Continental rift refers to the belt of the continental lithosphere where the extensional deformation (rifting) is taking place. Continental rift zones have important consequences and geological features, and if the rifting is successful, leads to the formation of new ocean basins.

Island arcs are long chains of active volcanoes with intense seismic activity found along convergent tectonic plate boundaries. Most island arcs originate on oceanic crust and have resulted from the descent of the lithosphere into the mantle along the subduction zone. They are the principal way by which continental growth is achieved.

Continental arc is a type of volcanic arc occurring as an "arc-shape" topographic high region along a continental margin. The continental arc is formed where two tectonic plates meet, and where one plate has continental crust and the other plate has an oceanic crust along the line of plate convergence, and a subduction zone develops.

Scientists have been able to prove that Earth's core is solid in its central portion and molten in the outer portion by studying how the core deflects ____ waves created in Earth's magnetic axis (the line between the north and south magnetic poles) and its rotation axis.

Answers

Answer:

it is D hope that was write :D

Explanation:

Identify the statement that is true about the abyssal plains. a. The abyssal plains of the eastern Atlantic Ocean stretch from the continental shelf to the base of the mid-ocean ridge. b. They are underlain by warm, young oceanic lithosphere. c. They are covered by microscopic plankton shells and fine flakes of clay. d. They are dissected by submarine canyons.

Answers

Answer:

The abyssal plains of the eastern Atlantic Ocean stretch from the continental shelf to the base of the mid-ocean ridge.

Explanation:

The others are false

In the heliocentric model, ________. a. Earth orbits around the Sun c. Earth is a stationary planet b. the Sun orbits around Earth d. all planets orbit Earth

Answers

Answer:

A -  Earth orbits around the Sun

Explanation:

Heliocentric means sun at center

You observe a plane approaching overhead and assume that its speed is 500 miles per hour. The angle of elevation of the plane is 15° at one time and 56° one minute later. Approximate the altitude of the plane. (Round your answer to two decimal places.)

Answers

Answer:

The altitude of the plane is 2.7244 miles

Explanation:

Consider the sketch shown below.

XY = distance traveled by the airplane after 1 minute

recall distance = speed × time

XY = 500 ×[tex]\frac{1}{60}[/tex] =8.33 miles

From trigonometry laws,

cot 15 = [tex]\frac{AX}{AB}[/tex]

cot 56 = [tex]\frac{AY}{AB}[/tex]

cross multiplying,

AX = AB cot 15

AY = AB cot 56

AX - AY = AB cot 15 - AB cot 56

Recall that AX - AY = XY

Hence,

XY = AB (cot 15 - cot 56)

XY = AB (3.73205 - 0.67451)

XY = 3.05754 AB

AB = [tex]\frac{XY}{3.05754}[/tex] = [tex]\frac{8.33}{3.05754}[/tex] = 2.7244 miles

∴ The altitude of the plane is 2.7244 miles

Refraction of this kind of wave results in two shadow zone Squeezes and pulls rocks in same direction as the wave travels Is refracted by Earth’s core Does not pass through Earth’s interior at all Does not pass through Earth’s liquid outer core 1. surface wave 2. P-wave 3. S-wave

Answers

Answer:

2. P-wave

Explanation:

The p-waves pass through the mantel and the core and are slowed and are refracted by the mantle/core boundary forming at a depth of about 2900 km, the P wave are those that result of the two shadow zones that squeeze and pulls the rocks in the same direction as the waves travel and is refracted by the earth core.

Answer:

it is 3...

Explanation:

WILL MARK BRAINLIEST!! due today!!! asap!!
write in your own words please!!

1. Name one mammal that lives in Antarctica
2. Describe special physical characteristics that help it survive in the cold climate

Answers

Explanation:

1.blue whale

2.Because whales are warm-blooded mammals one of the factors that help keep their body warm is by increasing their metabolic rate which helps burn calories and transfer heat through their blood and to vital organs and muscles.

Whales are also able to keep warm due to the thick layer of insulated blubber that surrounds their body. Depending on the species the thickness of the blubber can range anywhere from 2 inches to over a 1 ft thick!

An incident is geographically dispersed, and it is not feasible for the incident base to support the incident logistical needs. Assuming that you do not want to divide the incident in two separate incidents, what is another option for managing this incident?

Answers

Answer:

Establish a second Logistics Section reporting to a Deputy Incident Commander (Logistics).

Explanation:

Establishing a second Logistics Section reporting to a Deputy Incident Commander (Logistics) ensure adequate feasibility support to the incident logistics need.

This ensures that the most pressing needs are met, and that precious resources are used without duplication or waste. This is to establish planning and management functions for responding partners to work in a coordinated and systematic approach.

Ground-level ozone in most major united states cities results primarily from

Answers

Answer: it results primarily from nitrogen dioxide which comes from Combustion and industrial emissions

Explanation: The most important constituent in the production of ozone is nitrogen dioxide. Nitrogen dioxide comes primarily from Combustion of cars and heavy industrial emissions from factories and industries. It can also come from natural sources which includes wildfires.

Answer: Ground-level ozone in most major United States cities results primarily from motor vehicle exhausts.

Explanation:

Ozone is composed of three oxygen atoms. It is a pale blue gas.There are two types:

1)Stratospheric ozone:(naturally occurring) also famously known as ozone layer,that forms high in the atmosphere.This is considered as a 'good ozone' as it protects earth from harmful sun's ultraviolet radiation.

2)Ground-level ozone: forms just above the earth's surface.This is considered dangerous and harmful for both humans and ecosystem health. It is formed when nitrogen oxides photochemically react with volatile organic compouds. Nitrogen dioxide, the most significant component in the creation of ozone, comes fundamentally from motor vehicles and industrial emissions.

What geological feature can be created by a transform boundary

Answers

Answer:

Mid ocean ridges and subduction zones :)

Explanation:

Which of the following best describes an environmental problem that is often linked to the process of fracking?
Fracking operations require large tracts of land, which degrades habitat and harms wildlife.Fracking can increase stream flow and water volume, disrupting fish migration pathways.Wastewater from fracking operations is injected into porous rock formations, which can induce seismic activity.Excessive nutrients, such as nitrogen and phosphorus, run off the land near fracking sites, which can lead to large algal blooms in nearby waterways.

Answers

Answer:

Wastewater from fracking operations is injected into porous rock formations, which can induce seismic activity.

Explanation:

The environmental concerns of the fracking can be linked to the increase of the potential for the oil spills that harm the coil and the surrounding vegetation and can cause the earthquakes due to the high pressure that is used to extract the oil and the gas from the rocks and storage of the excessive wastewater on site.

Fracking often leads to environmental issues such as induced seismic activity from wastewater injection, and potential groundwater contamination due to handling and spillage of fracturing fluid.

One environmental problem that is often linked to the process of fracking is the potential for induced seismic activity due to the injection of wastewater into porous rock formations. Fracking operations involve the use of high-pressure fluids to fracture shale formations in order to extract oil and gas. However, this process requires enormous amounts of water mixed with various chemicals, which can result in contaminated water that when improperly disposed, can lead to seismic disturbances as well as potential groundwater contamination.

Additionally, the fracturing fluid contains potentially hazardous chemicals that may seep into groundwater supplies, posing serious risks to human and environmental health. The improper handling of the wastewater produced can lead to spillage and leakages, adversely affecting surrounding ecosystems and potentially leading to the aforementioned seismic events.

Which term refers to a fast graceful sailing vessel of american design that cut travel time between the east coast and california?

Answers

Answer:

the Clipper Ship

Explanation:

A clipper was a type of mid-19th-century merchantsailing ship, designed for speed. Developed from a type of schooner known as Baltimore clippers, clipper ships had three masts and a square rig. They were generally narrow for their length, small by later 19th century standards, could carry limited bulk freight, and had a large total sail area. Clipper ships were mostly constructed in British and American shipyards, though France, Brazil, the Netherlands and other nations also produced some. Clippers sailed all over the world, primarily on the trade routes between the United Kingdom and China, in transatlantic trade, and on the New York-to-San Francisco route around Cape Horn during the California Gold Rush. Dutch clippers were built beginning in the 1850s for the tea trade and passenger service to Java.[

Answer:

clipper ship

I took the the k12 test

What is the most likely reason why fewer young people are becoming farmers?

A.

Fewer people are finding farming to be a very interesting profession.

B.

There are fewer opportunities to get advanced education in agricultural sciences.

C.

Most farmers' income is significantly less than the national average.

D.

Most young people cannot raise the money needed to get started in the profession.

Answers

Answer:

C and  probably D

Explanation:

It should be understood that though farming is still a lucrative and important activity, small farms no longer have great roles in agriculture, and there are other ways to provide one's family with food and money.

The main thing that can be regarded as an important reason why fewer young people are becoming farmers can be linked or related to globalization, industrialization and urbanization.

In this present time, there are many opportunities for young people to study and perform very lucrative activities in big urban centers. This is because  in large cities we can find schools and universities, as well as numerous companies who offer an immense amount of job opportunities with great wages, that demand less physical effort than farming, which is far more attractive to younger people.

Answer:

The correct answer is D on edge.

Explanation:

A Sense of Proportion: Earth orbits 1 AU from the Sun, and the Oort Cloud extends from about 10,000 to 100,000 AU from the Sun. If you represent Earth's orbit around the Sun with a paper plate 4 inches in radius, how far away will the inner edge of the Oort Cloud be? How far away will the outer edge of the Oort Cloud be? Express your answers in miles.

Answers

Answer:

3.2 miles

Explanation:

If the Astronomical units is about 1 A.U which is = 1/2 plate then the diameter = 2 inches will be of  10,000 AU   2 X 10,000 = 20,000 inches. Thus the 20,000 A.U / 12 = 1,666 feet   1,666 / 5280 = /3 of a mile  then the  10,000 AU  2 X 100,000 = 200,000 inches. 20,000 / 12 = 16,666 feet  16,666 / 5280 = 3.2 miles

Peyer patches are large accumulations of malt located only in the

Answers

Answer:

Small intestine

Explanation:

The Peyer patches are usually referred to as those smaller masses of lymphatic tissues and are abundantly present throughout the area of ileum of the small intestine. It plays an important role by protecting the intestine from the various types of bacterial infections, thereby improving the immunity system of the body. They are commonly considered as the aggregated lymphoid nodules.

Thus, these are the large accumulation of malts in the small intestine.

Till, Moraine and kettle are examples of a. glacial erosion c. glacial deposition b. types of glaciers d. valley glaciers Please select the best answer from the choices provided A

Answers

Answer:

Till, Moraine and kettle are example of glacial deposition.

Explanation:

Glacial deposition means the settling of sediments by the action of glacier.

For example,the formation of a new island takes place by glacier action that deposit sediment.

During this process,they take away debris,sand,soil,rock and other particles which get stuck with in ice that mainly travel through glaciers.

Moraine is formed by unconsolidated glacier debris which is formed on the earth through geomorphological process.

Till is formed by the mixture of sediment deposition which is mainly carried out by glacier.

Answer:

C) glacial deposition

Explanation:

Sympatric speciation is: _____. 1. initiated by the appearance of a geographic barrier 2. the process by which most animal species have evolved especially 3. important in the evolution of island species 4. the appearance of a new species in the same area

Answers

Answer:

4. the appearance of a new species in the same area

Explanation:

A sympathetic specialization is the evolution of the new species from the survival ancestral species in the same geographical region and the terms represent the organisms whose ranges overlap and the occurs at least in some places and is also states the evolution of the biological species caused by the geographical isolation.

Final answer:

Sympatric speciation is the appearance of a new species in the same area without the occurrence of geographic isolation, often through mutations that cause reproductive barriers. It is significant in evolutionary biology, although some scientists question its extent, but there exists strong evidence for its occurrence, especially in plants.

Explanation:

Sympatric speciation is the process by which a new species evolves in the same geographic location as its ancestor without geographical barriers. This speciation occurs when a population develops new genetic characteristics often due to mutations, leading to reproductive barriers between the new group and the original population. Such mechanisms can often be observed in plants due to more frequent chromosomal duplications.

While some evolutionary biologists question the prevalence of sympatric speciation, others point to compelling evidence supporting this type of evolution. An example of sympatric speciation is when a mutation arises in a subset of a population that prevents them from successfully reproducing with others who do not carry it, eventually leading to the emergence of a distinct species.

Geologists have divided the geologic time scale using evidence compiled using stratigraphy, which is the study of ________. Geologists have divided the geologic time scale using evidence compiled using stratigraphy, which is the study of ________. ancient cave drawings layers of igneous rock plate tectonics tree rings layers of sedimentary rock

Answers

Answer: layers of sedimentary rocks.

Explanation: Stratigraphy is an essential branch of geology which is based on the relative ordering or deposition sedimentary rocks into layers or strata and it's relationship to the geologic timescale ( a chronological dating techniques which relates geological layers to time or geologic age).

Stratigraphy could be base on lithological evidence, which relates geological time scale by physically accessing variation in types of rock layering or strata.

Biostratigraphy employs variation in the biological content of rock stratas such as fossils in other to determine the age of deposit.

What city in france has the largest mardi gras celebration

Answers

Answer: New Orlands

Explanation:

Final answer:

Nice is the city in France with the largest Mardi Gras celebration, featuring parades and festivities.

Explanation:

The city in France known for having the largest Mardi Gras celebration is Nice. Nice's Mardi Gras celebration includes colorful parades, elaborate floats, and festivities that attract visitors from all over the world. Although not directly related to the nightlife of Parisian cabarets and theaters as mentioned in the reference from LibreTexts™, Mardi Gras in Nice shares the spirit of celebration and public revelry that characterized the social changes seen in Montmartre's nightlife.

The correct order of stages in the primary succession of a volcanic island environment is illustrated by

Answers

Answer:

B) volcanic rock-lichen-mosses-sea grasses

Explanation:

The volcanoes tend to cluster along the long and the narrow belts were folding and faulting takes place and the rock provides a channel ways to the surface for the escape of the magma. Is typically an island arc and environmental volcanic lie along an arcuate, crustal ridge and is bounded by a deep oceanic trench. Example os of the Hawaii islands and the accession islands.

Answer:

volcanic rock-lichen-mosses-sea grasses is the correct answer of this question.

Explanation:

The right sequence of levels in the predominant succession of a community of volcanic islands represented by grasses from the rock-lichen-mosses-sea volcano.The volcano is a breach in the Earth's crust that enables molten rock to enter the atmosphere from underneath the crust.Volcanoes shape at the edges of continental plates on Earth.Volcanic archipelago are created by volcanism on the seafloor, often close to the borders of crustal plains forming the crust of both the Earth.

Starfish, with anywhere from five to eight arms, have a strong regenerative ability, and if one arm is lost it quickly replaces it, sometimes by the animal overcompensating and growing an extra one or two. True or false?

Answers

Answer:

True

Explanation:

some species of starfish have the ability to regenerate lost arms and can regrow an entire new limb given time

Located in the vast Atlantic Ocean, about seven miles off the coast of Venezuela, is a small but fertile island that had retained from the period of its first discovery the name of Trinidad, and though picturesque, has rarely been visited by Europeans until the sixteenth century.

A. is a small but fertile island that had retained from the period of its first discovery the name of Trinidad, and though picturesque, has rarely been
B. was the small but fertile island of Trinidad, which retained its name from the period when it had first been discovered, and though picturesque, it had rarely been
C. Trinidad is a small but fertile island that retains its name from the period of its first discovery, and though picturesque, has rarely been
D. is a small but fertile island, which has retained from the period of its first discovery the name of Trinidad, and though picturesque, had rarely been
E. the small but fertile island of Trinidad, retaining its name from the period of its first discovery, though picturesque, rarely

Answers

Answer:

D). Is a small but fertile island, which has retained from the period of its first discovery the name of Trinidad, and though picturesque, had rarely been

Explanation:

As per the question, option D correctly revises the underlined phrase 'is a small....been' as it follows the grammatical and syntactical structure adequately. The use of tenses is apt according to the context of the statement. The other options are incorrect as they are either grammatically or semantically wrong. The options A and C are incorrect as the use of 'past tense('had retained' in the first clause) deviates the meaning while option B involves an inappropriate sequence of tenses and option E contains a modifying error. Therefore, option D is the correct answer.

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What is the difference between the lithosphere and asthenosphere? At what depth does the lithosphere- asthenosphere boundary occur? Is this above or below the Moho? Is the asthenosphere entirely liquid?

Answers

Answer:

The difference between the lithosphere and asthenosphere? At what depth does the lithosphere- asthenosphere boundary occur? Is this above or below the Moho? Is the asthenosphere entirely liquid? It lies below the lithosphere, at depths between approximately 80 and 200 km (50 and 120 miles) below the surface. The lithosphere–asthenosphere boundary is usually referred to as LAB. The asthenosphere is almost solid, although some of its regions could be molten

Explanation:

Both the lithosphere and asthenosphere are part of Earth and are made of similar material. Lithosphere is made up of Earth's outermost layer, the crust, and the uppermost portion of the mantle. In comparison, the asthenosphere is the upper portion of Earth's mantle;The lithosphere is everything above the part of the mantle which can flow and the asthenosphere is everything including and below. the lithosphere-asthenosphere boundary occurs at 1280 C approximately at 150 km.

Explanation:

Difference Between the lithosphere and asthenosphere:

Lithosphere is a solid outermost shell of the earth planet and composed of three layers o crust, mantle and core. The viscous and ductile region that lies under the lithosphere is called asthenosphere. So the difference between both of these layers is

" Lithosphere is a solid layer as it composed of rigid materials and the temperature is relatively cool then that of asthenosphere. Asthenosphere composed of viscous melted material and this region has high temperature and pressure."

Depth of lithosphere & asthenosphere boundaries:

The boundary of lithosphere and asthenosphere lies at the depth of about 100 to 150 km.

Above or below the Moho:

Moho lies at the depth of about 35 Km so the boundary of lithosphere and asthenosphere lies below the Moho.

Is the asthenosphere entirely liquid :

Although asthenosphere has a flowing ability but we can not say that its a liquid. Asthenosphere is composed of melted rocks so it lies in the category of solid. Its a viscous melted material. Its not entirely a liquid.

Other Questions
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