Frost wedging weathers rock because water expands when it freezes. When water seeps into cracks in rocks and freezes, it expands, exerting pressure on the surrounding rock and causing it to crack and break apart over time.
Frost wedging weathers rock because _____.
water contracts when it freezes
plant roots create external pressure
oxygen expands when it is heated
water expands when it freezes
1 answer
1 answer