A rancher overgrazes his land in an area underlain by heavy clay soils and regolith developed from weathering of claystone.After a series of heavy rains small creeks develop deep gullies along their length.A light steady rain develops and continues for several days.What should the rancher be concerned about on his overgrazed lands?
A)rock avalanche
B)slumps along the creeks
C)lahars filling cascading down his creeks,wiping out his cattle
D)increasing gully development because of the rain

Question

Quizplus · Accepted Answer

The rancher should be concerned about slumps along the creeks. The heavy clay soils and regolith are prone to becoming unstable when saturated with water, leading to slumping, especially along the creek banks.

A Rancher Overgrazes His Land in an Area Underlain by Heavy