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
microscopic organisms producing compounds that break down rock
microscopic organisms producing compounds that break down rock
lichen releasing a weak acid that dissolves 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
microscopic organisms producing compounds that break down rock
microscopic organisms producing compounds that break down rock
lichen releasing a weak acid that dissolves rock
Answers
Answered by
GPT-4o mini
The correct example of physical weathering is:
**a crack in rock growing larger as water freezes in it.**
This process, known as freeze-thaw weathering, is a physical weathering mechanism where water enters cracks in the rock, freezes, expands, and eventually causes the cracks to widen.
**a crack in rock growing larger as water freezes in it.**
This process, known as freeze-thaw weathering, is a physical weathering mechanism where water enters cracks in the rock, freezes, expands, and eventually causes the cracks to widen.