What are the monomer units that make up proteins?

amino acids

Explanation:

proteins are organic matter molecules that perform multitude of function in the body

yes

Explanation:

Coal is an important source of energy in the United States, and the Nation's reliance on this fossil fuel for electricity generation is growing. The combustion of coal, however, adds a significant amount of carbon dioxide to the atmosphere per unit of heat energy, more than does the combustion of other fossil fuels