If a farmer wants to increase the health of his crops, he could apply a nitrogen-based fertilizer. Why is nitrogen important to plants?
A.
Nitrogen is the only element that plants need.
B.
Nitrogen is needed to build proteins and enzymes.
C.
Nitrogen controls the uptake of water through plant roots.
D.
Nitrogen is a primary component of glucose sugar.
1 answer
B. Nitrogen is needed to build proteins and enzymes.