Question

Which of these is NOT an example of mechanical weathering?

A. waves crashing on a seashore
B. a glacier moving down a mountainside
C. a river flowing from a mountain into a valley
D. a cave forming when limestone rock is exposed to acid

Answer 1

My lucky answer I feel is "B" or "C"

Step-by-step explanation:

I have no explanation, i'm just guessing... Sorry

Answer 2

the answer is "D"

a cave forming when limestone rock is exposed to acid

100% sure