7. Conservation
The act of protecting our resources;
including the land, water, plants,
animals, air.
8. Aerosol
Very fine particles of a solid or liquid
substance suspended in the air from
some hairspray and deodorant cans.
9. Fluorocarbons
A group of compounds of fluorine and
carbon that are used as solvents,
lubricants, and refrigerator gases that
can damage the ozone layer.
15. Ozone Layer
A layer of the atmosphere located
high above the earth and it shields
the planet from dangerous rays of
sun that can cause skin cancer.
16. Acid Rain
Polluted precipitation caused when
air pollution deposits a high
concentration of sulfuric and nitric
acids into the atmosphere.