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astra-53 [7]
3 years ago
14

Why are metamorphic rocks so limited in their distribution at the Earth s surface?

Geography
1 answer:
irinina [24]3 years ago
6 0

Answer:    Metamorphic rocks are formed by processes that take place in the depths of the Earth

Explanation:  Metamorphic rocks are found in the depths of the Earth because they occur during the processes that take place there. This means that all types of rocks are not evenly distributed due to the processes they occur, so that some rocks, such as sediment, are more present on the surface and easier to find. Metamorphic rocks can reach and be found on the surface due to tectonic movements that push the rocks up. But still, these layers of metamorphic rocks that reach the surface are below some layers of other rocks. In order to find these metamorphic rocks on the surface, wind and water play an important role in the washing of the surface layers of rocks over the centuries, and thus make easier to find metamorphic rocks.

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Explain the IMPACTS of deforestation and desertification.
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1. Loess deposits are not usually found
riadik2000 [5.3K]
<h2>Answer 01:</h2>

Loess grows, or forms up, at the margins of deserts. For example, When the wind blows in Gobi desert situated in Asia, it pulls up and takes fine particles. The particles have sand crystals made of mica or quartz. It can have organic material too like dusty remains of skeletons if animals.

On the far away of the desert, mist in the air makes the jots and dirt to fall on the ground. Then the roots of grass or other plants trap the dust and keep it to the ground. More dusty will be slowly swollen and losses are formed this way.

<h2>Answer 02:</h2>

C. sand grains move up the slope and accumulate on the downwind face

<h3>Explanation:</h3>

Sand dunes are complicated sensations and the emergence of a sand dune depends on an immense number of various circumstances, like the mass/configuration of the sediment, blow rate, mist levels, and roots levels.

The sand dunes move over the ground in a blow. The fragments are driven up the windward view of a dune till they approach the top and then they fall down the side apart from the wind. Other grains are swelled up and over, overcoming the initial. This remained movement leads the dune over the land.

<h2>Answer 03:</h2>

Abrasive blasting is usually known as sandblasting. It is the procedure of compulsorily driving a brook of rough material opposite an exterior under huge pressure to polish a rude surface, roughen a soft surface, mold a surface or lift surface contaminants. A pressurized liquid normally pressed air or a diverging wheel is practiced to drive the blasting stuff called media.

<h2>Answer 04:</h2>

B. Eolian systems are shaped by the wind

<h3>Explanation:</h3>

The word originated from the name of the Greek god Aeolus, the guardian of the blowing winds.

Eolian systems concern to wind motion. It is a wind activity to shape the earth. Winds may consume, bliss, and coat stuff and are capable tools in areas with scattered nature, a deficiency of soil mist and a high number of unconnected sediments. eolian means are necessary for arid conditions so as deserts.

<h2>Answer 05:</h2>

Marginal vegetation performs an essential task in sustaining the sincerity of dune systems. They work as a windbreak, catching inserted sand jots and preserving the dune system. Out of vegetation, this real shielding block would be missed to the impressions of wind and tide depletion.

Coastal plants have accommodated to exist in an atmosphere where they are shown to salt splash, sandblasts, strong winds, raised temperatures and flooding.

<h2>Answer 06:</h2>

The fetch also called the fetch length. It is the length of water over which wind has gone through. Fetch is practiced in geology and cinematography and its outcomes are normally linked with sea environment and when it touches shore it is the principal part that generates wind wave which drives to marginal erosion and flooding. It also performs a big role in the long-shore direction as well.

<h2>Answer 07:</h2>

Coastal erosion is generally described as the damage or displacement of land accompanying the coastline due to the motion of waves, courses, streams, wind-driven water, waterborne ice, or additional consequences of storms

Corrosion is a normal method, which switches a processed ore to a further stable form of chemicals, as its oxide, hydroxide, or sulfide. It is the gradual dissolution of stuff ordinarily ores by the chemical or battery powered chemical response with their surroundings. Corrosion engineering is the profession committed to dominating and preventing corrosion.

Corrosion discredits the beneficial characteristics of substances and compositions including durability, look, and permeability to fluids and gasoline.

<h2>Answer 08:</h2>

True

<h3>Explanation:</h3>

Weathering is the practice of fading and cracking up rocks. It is the physical and chemical division of rocks and crystals at or near the earth's exterior.

Biological Weathering

It is the influence of living things, like the tubers of a tree spread into the territory they can pries stones individually. It also happens on an extremely tinier order through non-mobile organisms and moss.

<h2>Answer 09:</h2>

In the latest degree of karst many of the real limestone completely dissolves away. All that rests are a some distributed holds and tiny hunks of limestone moved to punch through the exterior. From the cover, the scene may not carry any

notable symptoms of what is proceeding on underneath the facade, besides for some sinkholes scattered.

<h2>Answer 10:</h2>

C. Constructive waves are the major contributor to beach erosion

<h3>Explanation:</h3>

Constructive waves are weak strength surges that occur in the build-up of substance on the shoreline. Constructive waves are feeble but have powerful swashes than repercussions. This indicates that any element being taken by the sea is washed up and starts to build up with the coastline. The stuff that is dropped by constructive surges can several oftentimes be viewed by the formulation of shores.


4 0
3 years ago
What feature caused de Bort to separate the lower atmosphere from the upper atmosphere?
masha68 [24]

Answer:

Scientists use waves to study the different layers of the earth. Usually, they use seismic waves, which are waves generated by earthquakes or nuclear-test explosions. So, scientists study the path and speed of these waves through the earth to decipher boundaries and the materials that make up the layers.

Explanation:

6 0
2 years ago
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