Question
Which is an example of physical weathering?(1 point)
Responses
bits of iron in rock rusting when exposed to oxygen and water
bits of iron in rock rusting when exposed to oxygen and water
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
microscopic organisms producing compounds that break down rock
microscopic organisms producing compounds that break down rock
Responses
bits of iron in rock rusting when exposed to oxygen and water
bits of iron in rock rusting when exposed to oxygen and water
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
microscopic organisms producing compounds that break down rock
microscopic organisms producing compounds that break down rock
Answers
GPT-4o mini
An example of physical weathering is **a crack in rock growing larger as water freezes in it**. This process, known as freeze-thaw weathering, involves water seeping into cracks in the rock, freezing, and then expanding, which causes the rock to break apart.