Answer:
Monomer is a word made of two parts, mono means one, and met means unit, so monomers are the building units of the polymers. Macromolecules are polymers, macromolecules in biology refers to the major categories of molecules that make the cell which are the proteins, carbohydrates, lipids and nucleic acids.
A mucous membrane or mucosa is a membrane that lines various cavities in the body and covers the surface of internal organs. It consists of one or more layers of epithelial cells overlying a layer of loose connective tissue...
Answer: Fertilizer that ends up in rivers and streams from lawns and other places cause Algae.
Explanation:Algae can become harmful to the environment