Question

Which human activity had the biggest impact on dust storms in 1930

Answer 1

ANSWER:

Replacing natural grasses with crops had the biggest impact on dust storms in 1930.

EXPLANATION:

• Farming had been extensively practiced in 1930s. The farmers ploughed the fields and grew a wide variety of crops that replaced the natural grasses.

• The natural grasses had the ability to keep the soil fixed and trapped not allowing it to be carried away easily by water or wind.

• The removal of natural grasses led to the erosion of the top-soil which eventually led to dust storms and massive destruction.

Answer 2

your answer for this question is  B)