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- 1. Multiple Choice
Which gases combine with water to form acid rain?
radon and carbon oxides
ozone and carbon monoxide
nitrogen oxides and sulfur oxides
car emissions and ozone
- 2. Multiple Choice
A nonpoint source is...
a specific factory
emissions from cars
radon gas
smoke from one truck
- 3. Multiple Choice
Pet hair and dust are examples of...
allergens
outdoor pollutants
smog
gases
- 4. Multiple Choice
Ozone...
good for humans when near Earth's surface
a harmful pollutant no matter where it happens
found near Earth's surface all the time
protects Earth when high in the atmosphere, but is a pollutant near Earth's surface
- 5. Multiple Choice
Which choice isn't a source of outdoor pollution?
smoke
volcanic eruptions
smog
radon
- 6. Multiple Choice
Under normal conditions, the air goes from warm air near Earth, to cooler air to cold air in the atmosphere. When smog is present, the air goes from...
warm air near earth to cold air to cooler air in the atmosphere
cool air near earth to warm air to cold air in the atmosphere
cold air near earth to warm air to cooler air in the atmosphere
warm air near earth to cooler air to cold air in the atmosphere
- 7. Multiple Choice
What is acid rain?
Rain from the sky
Rain that is more acidic compared to normal rain.
Rain that is not more acidic compared to normal rain.
A combination of smog and acid.
- 8. Multiple Choice
Ozone can be formed from oxygen gas when lightning passes through the air?
True
False
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