Among techniques used to prevent rockfalls along highways is to _____.
A) cover with a shed
B) spray the exposed roadside with cement
C) remove slide-prone rock
D) step the slope back
E) All of the answers are correct.

Question

Quizplus · Accepted Answer

All of the listed techniques are used to prevent rockfalls along highways. Covering with a shed protects the road from falling rocks, spraying the exposed roadside with cement stabilizes the surface, removing slide-prone rock eliminates the immediate hazard, and stepping the slope back reduces the steepness, thereby minimizing the risk of rockfalls.

Among Techniques Used to Prevent Rockfalls Along Highways Is to _____