Question

What is an example of a physical weathering?(1 point)
Responses

a rock wearing down due to acid rain
a rock wearing down due to acid rain

bits being blown off a rock by heavy winds
bits being blown off a rock by heavy winds

microscopic organisms producing compounds that break down rock
microscopic organisms producing compounds that break down rock

a metal tool left outside beginning to rust

Answer 1

Bits being blown off a rock by heavy winds.

That's physical (mechanical) weathering — wind abrasion breaking rock into smaller pieces.