Question

Extensive commercial logging, the use of wood for cooking and heating, and excessive clearing of land by subsistence farmers has led to __________________ in most areas of Sub-Saharan Africa.

A)
erosion
B)
deforestation
C)
desertification
D)
water pollution

Answer 1

B, because when you find a land that you like to crop on and it has trees, then you have to take down the trees in order to crop that land. 

Answer 2

Extensive commercial logging, the use of wood for cooking and heating, and excessive clearing of land by subsistence farmers has led to __________________in most areas of Sub-Saharan Africa.

B)
deforestation