Pollution

Pollution hanging over urban areas that causes reduced visibility is called

• Air pollution

• Temperature inversion

• Light pollution

• Smog

When we discuss greenhouse gases what is the main one we discuss?

• Methane (CH₄)
• Carbon Dioxide (CO₂)
• Nitrous oxide (N₂O)
• Flourinated gases

What type of pollution is shown in the photo?

• air pollution

• land pollution

• water pollution

What type of pollution is shown in the photo?

• air pollution

• water pollution

• land pollution

What type of pollution is shown in the photo?

• air pollution

• water pollution

• land pollution

Greenhouses gases

• Absorb and radiate heat from the Sun

• Destroy the ozone layer

• Cause respiratory problems

• Create smog

Global warming is due to

• Greenhouse gas emissions

• Nitric and sulfuric acids

• CFCs (chlorofluorocarbons)

• Ozone depletion

Which is true of air pollution and human health?

• Years of research link air pollution to lung diseases, birth defects, and cancer

• Air pollution is commonly listed as a cause of death.

• None of the health effects of air pollution are reversible.

• Healthy adults are most affected by air pollution.

Which pair below are the two main sources of air pollution in urban (heavily populated) areas?

• gas-burning vehicles & people breathing too much

• gas-burning vehicles & industries/factories

• industries/factories & agriculture (farming)

• All responses are correct.

These are two ways people can reduce air pollution.

• Drive vehicles that get low gas mileage / Burn trash at home
• Burn less fossil fuels / walk and ride bikes
• Create major forest fires / Use CFC's
• Burn styrofoam at landfills / Use more chlorine