Air Quality

Match it! Select the correct answer from the pull down...Good luck!

Smog.....

a measure of the pollutants in the air that is used to express how clean or polluted the air is..

coal is an example of a

The greenhouse effect....

The US federal agency with a mission to protect human health and the environment.

Air quality....

The ozone layer cannot be affected by humans

Burning fossil fuels.....