Question

frost wedging is due to * 1 point cold temperatures or high pressure.

Answer 1

Frost wedging is primarily due to **cold temperatures**. It occurs when water seeps into cracks in rocks, and as temperatures drop, the water freezes and expands. This expansion exerts pressure on the surrounding rock, which can lead to the rock breaking apart over time. High pressure is not a factor in frost wedging; it is mainly the freeze-thaw cycle associated with cold temperatures that causes this type of mechanical weathering.