Earth Science: The Air Around You, Book I

Chapter 4: Air Pollution

Standardized Test Practice

1
How many more tons of particulate matter were released in 1985 than in 2000?

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A)10,000
B)20,000
C)30,000
D)15,000
2
About how many total tons of pollutants were released in 1985?

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A)110,000
B)80,000
C)150,000
D)60,000
3
Which type of harmful substance forms in the atmosphere?
A)secondary pollutants
B)primary pollutants
C)nitrogen
D)oxygen
4
Soot from trucks is an example of which type of harmful substance?
A)secondary pollutant
B)nitrogen
C)primary pollutant
D)oxygen
5
Which gas gives smog its distinctive colored haze?
A)carbon dioxide
B)oxygen
C)nitrogen dioxide
D)ozone
6
Which is an area source of toxic pollution?

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A)cars, truck and planes
B)gas stations
C)factories and chemical manufacturers
D)dry cleaners
7
Which federal law placed strict limits on car emissions?
A)Clean Air Act of 1990
B)Air Pollution Control Act of 1955
C)Clean Air Act of 1963
D)Clean Air Act of 1970
8
The process in which pollutant levels increase through the food chain is called
A)ambient air.
B)ultraviolet radiation.
C)biomagnification.
D)ozone depletion.
9
What happens during a temperature inversion?
A)Cool air overlies warm air, trapping the warm air near the surface.
B)Cool air and warm air collide, mixing the air vertically.
C)Cool air dominates an area.
D)Warm air overlies cool air, trapping the cool air near the surface.
10
The pH level of acid rain is below which value?
A)7
B)2.3
C)4
D)5.6
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