5.The process of desertification can occur when

Question

B.farmers use contour farming techniques
C.an area of forest is clear-cut
D.an area of forest is selectively cut
7.Which of the following statements describes the conservation of a natural resource?
A.A factory burns coal to run its machines
B.A solar energy company harvests energy from sunlight
C.Lights in a house are turned off when not in use.
D.A wind energy company covers a hillside with wind turbines
My answers:
C
A

Answer 1

5. right
7. wrong

Answer 2

So is 7 C?

Answer 3

Yes. 7C