Being exposed to wind can cause erosion of soil.
Soil erosion causes crop yields to decrease.
Exposure of soil to wind can cause crop yields to decrease.
What is a possible negative effect of exposing soil to wind 
Options:
A: It used to be covered by water
B: exposure to cold
C: decrease in crop yields
D: greater food production
E: elimination of harmful pests
F: a tree falling
G: wind power increases
H: Damages them