Which is an example of physical weathering?(1 point)
Responses
microscopic organisms producing compounds that break down rock
microscopic organisms producing compounds that break down rock
a crack in rock growing larger as water freezes in it
a crack in rock growing larger as water freezes in it
lichen releasing a weak acid that dissolves rock
lichen releasing a weak acid that dissolves rock
bits of iron in rock rusting when exposed to oxygen and water
1 answer
a crack in rock growing larger as water freezes in it