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Weathering occurs because of contraction and expansion of rocks due to change in weather. Contraction occurs because of cooling of rocks at night and expansion occurs due heating of rocks in the morning.

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11y ago
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13y ago

Well, the earth does not like hard corners. Even the planets are sperical. Spherical shapes have less wind resistance and a sphere is the most efficient shape. When Wind, Water, Gravity, Ice, Animals, and Plants knock off pieces or particles of rocks, it's just helping the rock achieve the most wind resistant shape.

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9y ago

Mechanical weathering occurs when rocks are broken down and there is no change in the nature of the rocks. Physical force causes the rocks to break, not chemical breakdown.

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14y ago

By Physical Means. (Agents are: Wind, Water, Gravity, Ice, Animals, and Plants)

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14y ago

by wind , water , or other types of erosion breaking it down

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14y ago

Freezing and thawing cycles.

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Q: Why does mechanical weathering occur?
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Related questions

In what type of weathering does salt wedging occur?

mechanical weathering


What type of weathering does not happen in the desert?

Mechanical and chemical weathering both occur.


Does mechanical weathering occur when it is wet and dry?

yes


What Climate does mechanical weathering mostly occur in?

cold weather


What can occur during a chemical reactions?

Weathering can be mechanical or chemical.


Where is mechanical weathering most likely to occur?

it is found in a desert


When does weathering occur most?

Chemical weathering in the warm, wet season and mechanical weathering in the cool, dry season.


How does chemical weathering make it easy for mechanical weathering to occur?

because the rat ate the rat and ate itself


Is abrasion chemical or mechanical weathering?

Abrasion is Mechanical Weathering.


What type of climate causes mechanical weathering to occur at a greater rate?

hot and humid


What is a cause of mechanical weathering?

Weathering may occur through the actions of water, air, plants, animals and various chemicals. Mechanical weathering is the breaking down of rocks into smaller pieces without changing the composition of the minerals in the rock


How the mechanical weathering is related to the weathering?

mechanical weathering applys weather