Question

How does the composition of rocks affect mechanical weathering?

Answer 1

Answer:

The composition of rocks and climate also affect rates of weathering. The rate at which a rock weathers is affected by the amount of the rock's surface that is exposed to chemical weathering processes. As shown below, when a rock is broken into smaller pieces by mechanical weathering, more of its surfaces are exposed.

Answer 2

Answer:

Some rocks are chemically more reactive so they can show chemical weathering.

But if they don't show reaction ,

they are most likely to show physical weathering.

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