Question

Which of the following is an example of mechanical weathering?

A.lichen growing on rocks
B.salt crystallization forming tafoni
C.stone and boulders moved by water
D.acid in water acting on limestone
(Trust me, It's math)

Answer 1

Stone and boulders moved by water

Explanation:

Answer 2

C

Explanation:

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. For instance, liquid water can seep into cracks and crevices in rock.