After the drought of the 1930's farmers in the Great Plains were encouraged to plant rows of trees across fields to decrease soil erosion. How would this reduce soil erosion?
a. The trees had no effect; they were just used to improve the land appearance after the great depression.
b. The trees can serve as windbreaks to slow wind erosion.
c. Tree roots would retard runoff and prevent erosion.
d. The trees helped shade the ground, retaining moisture.
b. The trees can serve as windbreaks to slow wind erosion.
You might also like to view...
The shock wave resulting from meteorite impact causes metamorphism and melting of rocks at and near the Earth's surface
Indicate whether the statement is true or false
The rise of "Silicon Valley" is best explained by tax benefits given to the industry by the State of California
Indicate whether the statement is true or false
Antarctica's glaciers contain approximately 70% of the world's freshwater
a. True b. False Indicate whether the statement is true or false
Humans interfere with the natural nitrogen cycle by logging activities.
Answer the following statement true (T) or false (F)