Nitrogen increases protein production in plants. Nitrogen decreases protein production in plants. Nitrogen decreases the effectiveness of photosynthesis. Nitrogen increases the effectiveness of photosynthesis.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which best explains the importance of nitrogen in the cycling of energy and matter?
Possibilities:
- Nitrogen increases protein production in plants.
- Nitrogen decreases protein production in plants.
- Nitrogen decreases the effectiveness of photosynthesis.
- Nitrogen increases the effectiveness of photosynthesis.

Nitrogen increases protein production in plants.