Answer: Option B -- Crop rotation
Explanation:
Crop rotation can be defined as the successive cultivation or growing a series of dissimilar or different types of crops in the same area in a specified order, the purpose is to use less nutrients or different nutrients from the soil. George Washington Carver urge farmers to use this soil conservation technique.
Explanation:
d I think maybe I could be wrong
Herbert Hoover was blamed for the Great Depression.
Czechoslovakia is the correct answer
I"m not really sure but i think the answer is C.
