Atmospheric carbon dioxide has the characteristic of absorbing heat radiating from the earth's surface, and radiating some of this heat back toward earth's surface. this is known as
a. the greenhouse effect.
b. the water cycle.
c. the carbon cycle.
d. the photoelectric effect.

the function of the protein macromolecule is to move things in and out of the cell and transport other molecules in the body. there are many functions of proteins. they are the basic building blocks of living things and are responsible for the growth and repair of body cells and tissues.

explanation:

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.

answerbacterium;