Answer:
A.) NO₃⁻
Explanation:
NO₃⁻ = nitrate
NO₂⁻ = nitrite
NH₃ = ammonia
N₂ = nitrogen (nitrogen naturally exists as a diatomic molecule)
Ans.
Carbohydrates are complex, organic biomolecules, composed of hydrogen, carbon, and oxygen atoms. Examples of carbohydrates include glucose, sucrose, starch, and glycogen.
Carbohydrates are primary source of energy for the cells of all living organisms. In a typical human cell, the carbohydrate content is around 1-5 percent.
Mutualism would be thae correct anwer
The process is called homeostasis.
