Which best explains the importance of nitrogen in the cycling of energy and matter?
Nitrogen increases protein production in plants. Nitrogen decreases protein production in plants. Nitrogen decreases the effectiveness of photosynthesis. Nitrogen increases the effectiveness of photosynthesis.
Question: Which best explains the importance of nitrogen in the cycling of energy and matter?
A. Nitrogen increases protein production in plants.
B. Nitrogen decreases protein production in plants.
C. Nitrogen decreases the effectiveness of photosynthesis.
D. Nitrogen increases the effectiveness of photosynthesis.
Answer: