What are chlorofluorocarbons?
A. Gas produced by cows and other farm animals.
B. A group of gases that reverse global warming.
C. Gases that trap heat in the atmosphere.
D. Chemicals that destroy the ozone layer in the Earth's atmosphere.
A. Gas produced by cows and other farm animals.
B. A group of gases that reverse global warming.
C. Gases that trap heat in the atmosphere.
D. Chemicals that destroy the ozone layer in the Earth's atmosphere.