Question

Answer in brief
(a) What is mechanical weathering?​

Answer 1

Answer:

any of the various weathering processes that cause physical disintegration of exposed rock without any change in the chemical composition of the rock: Collision between rock surfaces can cause mechanical weathering.

Explanation:

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Answer 2

Answer:

Hi...

Explanation:

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.