3.6 Pollution

Multiple Choice

Acid precipitation is rain or snow that has a higher pH than rainwater. Acid precipitation differs from photochemical smog in that the burning of fossil fuels does not cause acid precipitation.

• True

• False

Multiple Choice

Particulate matter can enter the air due to natural sources such as volcanic eruptions; it can also enter the air as a result of human activities such as burning fossil fuels. Inhaling particulate matter can result in respiratory problems.

• True

• False

Multiple Choice

Global warming takes place when the amount of carbon dioxide in the air

• increases.

• decreases

• stays the same

Multiple Choice

Which are ways to prevent or reduce air pollution?

• clearing forests and burning fossil fuels

• measuring air quality and treating asthma

• using renewable resources and public transportation

Multiple Choice

rain or snow with a low pH

• acid precipitation

• global warming

• Air Quality Index