Which gas protects life on Earth from UV radiation when in the stratosphere, but when in the troposphere is toxic?
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5
You visit a city that has many factories and burns coal as its main source of energy. As a result there is a thick layer of smog in the atmosphere. What is the most likely cause of the smog?
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banana
Go to last place!
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gold
Win 50 points!
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fairy
Take points!
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25
thief
Give points!
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25
trap
No points!
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seesaw
Swap points!
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fairy
Take points!
5
10
15
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25
banana
Go to last place!
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lifesaver
Give 15 points!
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shark
Other team loses 25 points!
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fairy
Take points!
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15
20
25
baam
Lose 20 points!
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5
Mercury pollution in a local lake can be traced directly to a factory located near the lake's shore. What type of pollution is the mercury?
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5
Which of the following terms describes smoke, dust, and haze?
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5
Which of the following results from an excess amount of car exhaust containing VOCs and nitrogen oxides?
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5
A cold night is followed by an overcast morning. When this happens, the cool air at the surface and any pollutants it contains is trapped beneath the warm layer above it. Which term describes this phenomenon?
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5
Which of the following is most likely to cause mesothelioma?