Physical weathering is greatest under conditions of
A) lower temperatures and higher precipitation.
B) higher temperatures and precipitation, wetter, warmer climates.
C) a lack of moisture at the surface.
D) temperatures that reach below freezing.

Question

Quizplus · Accepted Answer

Physical weathering is greatest under conditions of temperatures that reach below freezing. This is because water that enters cracks in rocks can freeze and expand, causing the rocks to break apart.

Physical Weathering Is Greatest Under Conditions of