What was the main cause of the Dust Bowl in the 1930s?(1 point)
Responses
poor soil and land management
poor soil and land management
unusually cold weather
unusually cold weather
stronger than normal storms
stronger than normal storms
flooding caused by climate change
The main cause of the Dust Bowl in the 1930s was poor soil and land management.
A student writes two statements about the importance of soil.
Soil can act as a filter and keep pollutants out of groundwater.
Soil can be used as a natural building material.
Which of these describes whether the statements correctly describe the importance of soil?
(1 point)
Responses
Only Statement 2 correctly describes an importance of soil.
Only Statement 2 correctly describes an importance of soil.
Only Statement 1 correctly describes an importance of soil.
Only Statement 1 correctly describes an importance of soil.
Neither Statement 1 nor 2 correctly describes the importance of soil.
Neither Statement 1 nor 2 correctly describes the importance of soil.
Both Statements 1 and 2 correctly describe the importance of soil.
Both Statements 1 and 2 correctly describe the importance of soil.
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?(1 point)
Responses
bedrock (R)
bedrock (R)
organic layer (O)
organic layer (O)
topsoil (A)
topsoil (A)
parent material (C)
The layer located farthest from the surface of the Earth in a temperate region would be bedrock (R).
Why is soil considered to be a nonrenewable natural resource?(1 point)
Responses
It can never be replaced.
It can never be replaced.
It takes so long to form.
It takes so long to form.
It is easily transported.
It is easily transported.
It uses a lot of Earth’s energy.