why are proteins considered organic molecules?

Proteins are considered organic molecules because they are made up of carbon atoms with hydrogen, oxygen and nitrogen attached.

Explanation:

Carbohydrates, lipids, proteins and vitamins have carbon in their structure, making them organic. Water and minerals do not, so they are inorganic

Proteins are the most diverse group of biologically important substances and are often considered to be the central compound necessary for life.

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.