Earth- Air Pollution

Which of the following is linked to the problem of global warming?

• Too much ozone
• Too much nitrogen
• Too much carbon dioxide
• Too much smog

How can smog be dangerous?

• It smells bad
• People can't breath well
• It blocks the sun
• It causes skin damage

Ozone depletion occurs because of these chemicals.

• Carbon monoxide
• Sulfur dioxide
• Nitrogen gas
• Chlorofluorocarbons

What process is the main contributor to the acid rain problem?

• Car exhaust
• Burning coal and oil
• Burning wood
• Air conditioners

What does the ozone layer protect us from?

• carbon monoxide posioning
• heat from the sun
• UV rays from the sun
• smog

What is the major cause of photochemical smog?

• burning of fossil fuels

• car exhaust

• CFC's in the atmosphere

• fertilizer use

Which of the following products contains harmful CFC's?

• refrigerator
• spray paint cans
• aerosol hairspray cans
• all of these

How can acd rain affect non-living objects?

• speeds up the erosion process
• eats away paint from surfaces
• leeches nutrients from the soil
• all of the above

How are people and animals affected by the hole in the ozone layer?

• Breathing problems
• Skin infections
• Increased cases of skin cancer
• Flooding due to higher temperatures

What current animals are threatened because of global warming?

• Cows
• Tigers
• Polar Bears
• Elephants