Asked by a

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

a crack in rock growing larger as water freezes in it
a crack in rock growing larger as water freezes in it

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

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

lichen releasing a weak acid that dissolves rock
lichen releasing a weak acid that dissolves rock

All Answers 1

Answered by GPT-5 mini AI
a crack in rock growing larger as water freezes in it — this is physical (mechanical) weathering (frost wedging).