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- 1. Fill in the Blank
What are the effects of soil pollution?
Direct contact with polluted soil can cause skin problems, respiratory problems, and ___ in human beings. ___ often contaminates the soil with harmful chemicals, affecting terrestrial life adversely.
- 2. Fill in the Blank
What are short-lived climate pollutants?
Short-lived climate pollutants (SLCPs) persist in the atmosphere for a few days to a few ___ , and they make the climate ___.
- 3. Fill in the Blank
What are areas with hypoxia known as?
Areas with hypoxia are known as ___ zones.
- 4. Multiple Choice
What is a consequence of air pollution caused by greenhouse gases emitted by cars?
hearing loss
global climate change
speech interference
weakening of bones
stress
- 5. Multiple Choice
What pollutant does this image convey?
methane
black carbon
HFCs
a persistent organic pollutant
tropospheric ozone
- 6. Multiple Choice
Which example displays a type of point source pollution?
rainwater carrying toxic chemicals and debris to a river
melted snow mixed with debris flowing into a city
untreated water from a factory flowing into a lake
smoke released by trucks
rainwater mixing with garbage on the sidewalks of a street
- 7. Fill in the Blank
Hailey is categorizing, on the basis of predominance, the most important greenhouse gases. Which of the gases should she give priority to in her ranking?
Hailey is categorizing, on the basis of predominance, the most important greenhouse gases. She has classified ___ as the most important and ___ as the next most important greenhouse gas.
- 8. Fill in the Blank
What are chlorofluorocarbons made of?
Chlorofluorocarbons are organic compounds consisting of carbon, fluorine, and ___.
- 9. Fill in the Blank
Which region has been experiencing the ozone hole every year since the 1980s?
The ___ region has been experiencing the ozone hole every year since the 1980s.
- 10. Multiple Choice
Volcanic eruptions and emissions from vegetation are the natural causes of which phenomenon?
acid rain
ozone layer depletion
ozone layer hole
global warming
increase in sea levels
- 11. Multiple Choice
Jenny is learning about the importance of the ozone layer. She was upset to know that there is a depletion of the ozone layer and human activities are adding to it. While she decides to spread awareness on the effects of pollution and reasons to curb it, she cannot do anything about the natural process of ozone depletion. What is the natural process that is causing the depletion of the ozone layer?
natural processes that ensure ecological balance
burning of fossil fuel
UV rays reacting with O2 molecules
the carbon cycle
the oxygen cycle
- 12. Multiple Choice
Joe is trying to find out how solar energy can replace the functioning of certain industrial needs. With this research, which phenomenon is Joe trying to curb?
ozone layer depletion
ozone layer hole
global warming
acid rain
increase in sea levels
- 13. Fill in the Blank
How can you reduce air pollution arising from transportation?
Use ___ because they emit relatively less pollution.
Avoid ___ to reduce the emission of pollutants.
- 14. Fill in the Blank
Which plant can help remove pollutants in rivers and lakes?
Water pollutants in rivers and lakes can be removed by ___.
- 15. Multiple Choice
Which devices trap suspended particles in air by spraying water and other liquids?
wet scrubbers
catalytic converters
cyclones
baghouse filters
pumps
- 16. Multiple Choice
A farmer wants to reduce the need for pesticides at his farm. What should he do?
Practice conservation tillage.
Use beneficial insects.
Plant grass.
Plant trees.
Use buffer strips.
- 17. Multiple Choice
A team of environmentalists are removing volatile organic pollutants from soil by circulating air through the soil using pipes. Which remediation method are they using?
air sparging
natural attenuation
soil vapor extraction
bioventing
bioremediation
- 18. Multiple Choice
The ozone layer protects us from
UV rays
CFCs
Increased atmospheric heat
Decreased atmospheric heat
- 19. Multiple Choice
The ozone layer is damaged by
CFCs
Increase in greenhouse gases
Increased global temperatures
Sulfuric and nitric acids
- 20. Multiple Choice
Which of the following is a source of air pollution?
Difficulty in breathing
Factories
Eye irritation
Drinking water
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