Biology

Maggie Bartlett

29 September, 13:16

Which two methods could be used to reduce the rate of erosion in a given region?

a) Increase plant cover to protect soil from being blown away by wind.

b) Use retaining walls to hold weathered rock on steep slopes in place.

c) Use various human-made methods to break up large boulders into small pieces.

d) Create fast-flowing, artificial streams to carry soil away from its original location.