All of the following contributed to the Dust Bowl of the 1930s except
a. dry-farming techniques.
b. drought.
c. farmers' failure to use steam tractors and other modern equipment.
d. wind.
e. soil erosion.
Answer: C
All of the following contributed to the Dust Bowl of the 1930s except
a. dry-farming techniques.
b. drought.
c. farmers' failure to use steam tractors and other modern equipment.
d. wind.
e. soil erosion.
Answer: C