A process by which softer, less weather-resistant rocks wear away and leave harder, more weather-resistant rocks behind is called

a. differential weathering.

c. chemical weathering.

b. mechanical weathering.

d. ice wedging

A process by which softer, less weather-resistant rocks wear away and leave harder, more weather-resistant rocks behind is called mechanical weathering. The answer is letter B. it is also formed through changes of temperature that causes rock to weaken and crumble.