Question

3) Mechanical weathering.​

Answer 1

Answer:

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mechanical weathering is the process of breaking big rocks into little ones. this process usually happens near the surface of the planet. temperature also affects the land. the cool nights and hot days always cause things to expand and contract. that movement can cause rocks to crack and break apart.

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Answer 2

Answer:

Mechanical weathering, also called physical weathering and disaggregation, causes rocks to crumble. Water, in either liquid or solid form, is often a key agent of mechanical weathering.

Mechanical weathering involves mechanical processes that break up a rock: for example, ice freezing and expanding in cracks in the rock; tree roots growing in similar cracks; expansion and contraction of rock in areas with high daytime and low nighttime temperatures; cracking of rocks in forest fires, and so forth.

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