Although fertilizers have been very important in increasing the food supply, there have
also been negative effects from the overuse of fertilizers. How can the overuse of fertilizers
kill crop plants?
A. It can cause salts to build up in
the soil.
B. It can cause roots to absorb too much nitrogen.
C. It can cause transpiration rates to increase.
D. It can cause soil to erode at a
faster rate.