Which of the following measures could help to reduce the negative effects of catastrophic mass-wasting events?
A.
Homes and businesses could be built along the banks of nearby bodies of water.
B.
Any trees or other plants growing along the slope could be removed.
C.
All major slopes at risk of mass wasting could be identified and monitored.
D.
Concrete or other heavy materials could be placed atop the slope to stabilize it.