Define the mechanical or physical weathering processes, Science

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Mechanical or Physical Weathering Processes

A rock broken into smaller pieces is said to be physically or mechanically weathered. It has a large exposed surface area which further increase its weathering potential. Rocks are broken and degraded by the mechanical action of water, ice, wind, plants and animals in a number of ways as described below. Temperature has an indirect effect in the weathering process. The variation in temperature actually results in mechanical way of weathering.

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