A farmer wants to properly conserve and manage her soil to keep it healthy and to prevent another situation like the Dust Bowl of the 1930's. What is the best way to manage her soil to prevent these problems from occurring?(1 point)

Question

Responses

remove the humus layer from the soil
remove the humus layer from the soil

frequently dig the soil to get rid of unwanted plants
frequently dig the soil to get rid of unwanted plants

allow plants such as grass to take root in it to anchor the soil
allow plants such as grass to take root in it to anchor the soil

water the soil multiple times a day
water the soil multiple times a day
Question 2
Which two congressional acts helped to reduce factory pollution.(2 points)
Responses

Clean Air Act
Clean Air Act

Clean Water Act
Clean Water Act

Clean Earth Act
Clean Earth Act

Clean Ozone Act
Clean Ozone Act
Question 3
According to the graph below, what trends do you see in pollutant levels since the Clean Air Act was revised in 1990?(1 point)
Responses

There has been no affect on pollutant levels
There has been no affect on pollutant levels

All emissions increased
All emissions increased

Some emissions significantly increased, while others decreased or stayed the same.
Some emissions significantly increased, while others decreased or stayed the same.

All emissions were reduced
All emissions were reduced
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Answer 1

Question 1

The best way for the farmer to manage her soil to prevent issues like the Dust Bowl is to: allow plants such as grass to take root in it to anchor the soil.

Question 2

The two congressional acts that helped to reduce factory pollution are:

• Clean Air Act
• Clean Water Act

Question 3

According to the graph, the trend in pollutant levels since the Clean Air Act was revised in 1990 is: Some emissions significantly increased, while others decreased or stayed the same.

If you have any more questions or need further clarification, feel free to ask!