Water Pollution — Unit test Answers

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1
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What is the main reason that people are hesitant to use nuclear energy?

A
It produces radioactive waste.
B
It uses large amounts of water.
C
The ore used for nuclear energy must be mined.
D
It is more damaging to natural habitats than the use of coal.
2
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The La Brea Tar Pits are _______.

A
a valuable source of petroleum
B
filled with tar made from mammals
C
filled with asphalt
D
a and b only
3

Which of the following statements about energy resource availability is true?

A
Nonrenewable energy sources will be completely used within 10 years.
B
Nonrenewable energy sources are readily available in all countries.
C
The exact amount of nonrenewable energy resources is not currently known.
D
All of the above are true.
4

Which of the following statements about biofuels is true?

A
Biofuels are composed of 100% renewable materials.
B
Algae is the leading source of biofuels.
C
Energy processing from corn biofuels is not energy efficient.
D
Corn is the only source of biofuels.
5

Nuclear fusion produces more energy than nuclear fission, but requires more initial energy.

A
T
B
F
6

The small increase in global oil production coupled with an increased demand for those resources leads to _______.

A
lack of modern energy sources
B
increased prices
C
decreased competition
D
decreased prices
7

Which of the following alternative energy technologies is most likely to be used to power a car?

A
wind
B
geothermal
C
biofuel
D
hydropower
8

Water would be considered a(n) _______.

A
potential renewable resource
B
potential nonrenewable resource
C
actual renewable resource
D
actual nonrenewable resource
9

Most of the costs associated with using renewable resources are due to _______.

A
overuse of resources
B
atmospheric pollution
C
lack of availability
D
global warming
10

The nuclear accident at Chernobyl was _______ than the accident at Three Mile Island.

A
more devastating
B
less devastating
C
equally devastating
D
less publicized
11

Which of the following is an environmental consequence of importing resources into the United States?

A
air pollution
B
habitat loss
C
oil spills
D
all of the above
12

Which of the following is a nonrenewable resource?

A
geothermal
B
solar
C
nuclear
D
biomass
13

Compare the benefits and disadvantages to the different alternative energy technologies.

Answer not available
14

Explain how a global dependence on fossil fuels can lead to international security risks.

Answer not available
15

The US consumes almost _______ of timber annually.

A
5 million cubic feet
B
20 billion cubic feet
C
40 billion cubic yards
D
30 million cubic yards
16

Explain how humans react and adapt to the limited availability of water.

Answer not available
17

Distinguish between the fossils of ice age mammals found in the La Brea Tar Pits and the organisms that make up the fossil fuels of the tar.

Answer not available

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