Which statements describe physical weathering? Select all that apply.

A. Two rocks hit against each other in a fast-flowing stream and break apart.

B. Oxygen and water change the compostion of the minerals in a rock

C. Small rocks are pushed together when a mole digs an underground den

D. Mosses grow on a rock and produce acids that wear away the rock over time.

Question

Zara Coffey

Physics

23 March, 17:44

Which statements describe physical weathering? Select all that apply.

A. Two rocks hit against each other in a fast-flowing stream and break apart.

B. Oxygen and water change the compostion of the minerals in a rock

C. Small rocks are pushed together when a mole digs an underground den

D. Mosses grow on a rock and produce acids that wear away the rock over time.

+3

Answers (1)

Know the Answer?

Antony Butler · Answer 1

A and D because weathering is the process of a rock breaking and wearing down over time. b doesnt apply, because that is changing of the chemical structure, not the physical, and c is just movement of rocks, not breaking of rocks.