They balance out how much salt is in your body
Explanation:
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What is the importance of nitrogen for plants?
Nitrogen is an essential macronutrient for plant function and is a key component of amino acids, which form the building blocks of plant proteins and enzymes. Proteins make up the structural materials of all living matters and enzymes facilitate the vast array of biochemical reactions within a plant.
A is the answer the main factor for the splitting of oxygen into 2 atom is due to uv ray and both of splitted molecule combine with another oxygen molecule