AIR POLLUTION

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

What is the major chemical found in smog?

What has occurred when a layer of warm air prevents the rising air from escaping, trapping polluted air?

What is the largest source of emissions in the United Sates ?

Which of the following statements about acid rain is not true?

Factories reduce emissions by using a

A colorless, odorless gas that forms when wood, coal, or gas are incompletely burned is called

Which of the following is not a cause of acid rain?

A colorless, odorless gas that is radioactive is called