What was the main cause of the Dust Bowl in the 1930s?

Question

A. stronger than normal storms
B. unusually cold weather
C. poor soil and land management
D. flooding caused by climate change

Answer 1

C. poor soil and land management

Answer 2

Use the scenario to answer the question.

A student writes two statements about the importance of soil.

1. Soil can act as a filter and keep pollutants out of groundwater.
2. Soil can be used as a natural building material.

Which of these describes whether the statements correctly describe the importance of soil?

A. Only Statement 2 correctly describes an importance of soil.
B. Neither Statement 1 nor 2 correctly describes the importance of soil.
C. Only Statement 1 correctly describes an importance of soil.
D. Both Statements 1 and 2 correctly describe the importance of soil.

Answer 3

D. Both Statements 1 and 2 correctly describe the importance of soil.

Answer 4

A student makes a list of all the soil layers in a temperate region. Which layer would be located farthest from the surface of the Earth?

A. topsoil (A)
B. bedrock (R)
C. parent material (C)
D. organic layer (O)

Answer 5

B. bedrock (R)

Answer 6

Why is soil considered to be a nonrenewable natural resource?
A. It uses a lot of Earth's energy.
B. It is easily transported.
C. It can never be replaced.
D. It takes so long to form.

Answer 7

D. It takes so long to form.