Which is an example of physical weathering?(1 point)

Question

Responses

acid rain breaking down compounds in rock statues
acid rain breaking down compounds in rock statues

rock breaking apart when it falls from a cliff
rock breaking apart when it falls from a cliff

bits of iron in rock rusting when exposed to oxygen and water
bits of iron in rock rusting when exposed to oxygen and water

oxygen interacting with minerals in rock

Answer 1

The correct example of physical weathering is:

rock breaking apart when it falls from a cliff.

This process is a physical change that results in the mechanical breakdown of rock, as opposed to chemical weathering, which involves changes to the chemical composition of the minerals in the rock.