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Multiple Choice Feedback Quiz
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1

Acid rain causes
A)destruction of forests.
B)killing of lakes.
C)extinction of frogs.
D)all of the above
2

CFCs are
A)a cause of ozone depletion.
B)used as coolants.
C)propellants in aerosol dispensers.
D)all of the above
3

Which of the following is not a gas that contributes to the greenhouse effect?
A)carbon dioxide
B)methane
C)ozone
D)nitrogen oxides
4

The single most serious obstacle to using nuclear power is
A)ensuring safe operation.
B)safe disposal of waste.
C)the high cost of operation.
D)securing plutonium wastes.
5

Since 1950, the United States has lost ____ of its topsoil.
A)10%
B)25%
C)50%
D)75%
6

Gray air cities usually have sulfur oxides as an air pollutant.
A)true
B)false
7

In nature, chlorinated hydrocarbon molecules become increasingly concentrated as they move up the food chain in a process called biological magnification.
A)true
B)false
8

Tall smokestacks release pollution higher into the atmosphere where it is diluted, alleviating pollution problems.
A)true
B)false
9

We presently lack the technology to prevent acid rain.
A)true
B)false
10

Every 1% drop in atmospheric ozone content is estimated to lead to a 6% increase in the incidence of skin cancer.
A)true
B)false
11

The indirect costs of pollution created by manufacturing a product are usually not taken into account when pricing that product for sale.
A)true
B)false
12

Two approaches to curbing pollution are (1) passing antipollution laws and (2) creating pollution taxes.
A)true
B)false
13

Topsoil, groundwater, and biodiversity are nonrenewable resources.
A)true
B)false
14

Over the last 20 years, about 25% of the world's rain forests have been destroyed.
A)true
B)false
15

The world's overpopulation is mainly due to an increase in the average human birth rate.
A)true
B)false
16

In the year 2000, the world population will exceed 6 billion.
A)true
B)false
17

The United Nations predicts the world population may level off at 20 to 25 billion people by the end of the next century.
A)true
B)false
18

The first stage in addressing an environmental problem is assessing the situation.
A)true
B)false
19

In solving an environmental problem, political education must precede public education.
A)true
B)false
20

The burning of fossil fuels releases large amounts of methane gas to the atmosphere.
A)true
B)false





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