Nitrogen is an element found in nucleic acids. Where else is nitrogen found? A. proteins
B. lipids
C. carbohydrates

A

Explanation:

nitrogen is a fundamental source of amino acids. And amino acids are building blocks of proteins

answer; a muscle cell, another neuron and a of the above

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.