Answer: Option B.
Nitrogen.
Explanation:
Nitrogen is very important for plant growth. It is the major constituent of chlorophyll which trap light energy from sunlight to produce carbohydrates from carbon dioxide and water by a process of photosynthesis. It is components of amino acids which is the building block of protein which enhance plants growths. Nitrogen foster plants growth. Addition of nitrogen inform of nitrate to the soil which boost chlorophyll formation, build up protein for plant growth. With nitogen, the plants will either and die.
