Question

What is a cause of mechanical weathering?

rainwater

natural acids

physical forces

sunlight

Answer 1

You told me this in your other question:


"mechanical weathering
the breaking up of rocks by physical forces; mechanical weathering occurs when water expands as it freezes in the crack of a rock, expanding the crack and breaking the rock apart"

c:

Answer 2

It's in your definition lol :D

Answer 3

First line lol

Answer 4

This was in your definition:" the breaking up of rocks by physical forces "