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?
Oops!
Show
Check
Okay!
Check
eraser
Reset score!
Oops!
shark
Other team loses 25 points!
Okay!
shark
Other team loses 15 points!
Okay!
thief
Give points!
5
10
15
20
25
5
Which gas protects life on Earth from UV radiation when in the stratosphere, but when in the troposphere is toxic?
Oops!
Show
Check
Okay!
Check
5
Which of the following terms describes smoke, dust, and haze?
Oops!
Show
Check
Okay!
Check
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?
Oops!
Show
Check
Okay!
Check
seesaw
Swap points!
Oops!
shark
Other team loses 20 points!
Okay!
gift
Win 25 points!
Okay!
banana
Go to last place!
Oops!
5
Which of the following is most likely to cause mesothelioma?
Oops!
Show
Check
Okay!
Check
5
Which of the following results from an excess amount of car exhaust containing VOCs and nitrogen oxides?
Oops!
Show
Check
Okay!
Check
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?