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Which is an example of mechanical weathering?
A. Carbonic acid reacting with minerals in a rock
B. An iron-containing rock becoming rusty at its surface
C. Small rocks and pebbles falling down a slope
D. Plant roots splitting a rock apart as they grow

Respuesta :

leannfuller13

Answer:

D

Explanation:

mechanical weathering is the breaking down of a larger rock into smaller ones. A and B are chemical weathering and C is irrelevant.

birdsgarcia37483

Answer:

D. Plant roots splitting a rock apart as they grow

Explanation:

In mechanical weathering, rocks break apart without a change to their mineral composition. Biological activity, such as the growth of plant roots, is one of the main causes of mechanical weathering.

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