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7. Why should we control the erosion of topsoil?
A. Topsoil makes the land beautiful.
B. Topsoil presents changes on the land.
C. Topsoil erosion decreases soil fertility. D. Topsoil contains nutrients needed by plants. ​​


Sagot :

Question

7. Why should we control the erosion of topsoil?

A. Topsoil makes the land beautiful.

B. Topsoil presents changes on the land.

C. Topsoil erosion decreases soil fertility. D. Topsoil contains nutrients needed by plants. ​​

Answer:

D. Topsoil contains nutrients needed by plants. ​​