Which element is found in nucleic acids but not in amino acids? O carbon
O hydrogen
O nitrogen
O phosphorus

phosphorus

Explanation:

An amino acid includes simple organic compound, which consists of an amino (-NH₂) group and a carboxylic group ( - COOH). Thus, phosphorous is the element that is found in nucleic acids but not in the proteins.

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.