Use reasoning to answer the following question.
Nitrogen depletion is a condition of some:\nOptions:\n- (A) bushes\n- (B) humans\n- (C) animals\n- (D) soils\n- (E) disease\n- (F) legumes\n- (G) mammals\n- (H) Birds

(D)
Soil can be depleted of nutrients.

An important nutrient commonly added to soil is nitrogen.

Soil can be depleted of nitrogen.

.

Thus, the answer is (D)