AnswersSC332 Environmental Science BGroundwater

Groundwater — Unit test Answers

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Acid rain occurs when sulfur dioxide in the atmosphere is oxidized in the presence of nitrogen dioxide. Acid rain is an example of _______.

A
a primary pollutant
B
a secondary pollutant
C
a tertiary pollutant
D
none of the above
2
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Halons and CFC’s both _______.

A
inhibit ozone formation
B
cause ozone formation in the troposphere
C
destroy ozone in the stratosphere
D
cause excess ozone formation in the stratosphere
3

The ozone layer helps to sustain terrestrial life by __________.

A
absorbing incoming UV radiation
B
keeping levels of ozone in the troposphere low
C
maintaining the Earth's temperature structure
D
all of the above
4

Air pollution affects everyone equally.

A
T
B
F
5

The Karez well system _______.

A
was the first known use of wells
B
was a postindustrial system
C
transported groundwater from a distance
D
all of the above
6

Which of the following best defines sustainable fishing practices?

A
Harvesting practices that maximize yields and profits.
B
Harvesting practices that maximize the yield per fisherman.
C
Harvesting practices that do not reduce the potential for future harvests.
D
Harvesting practices that reduce the potential for future harvests.
7

It is best to say that marine debris _______.

A
is a hazard to marine animals
B
degrading ocean health
C
a pervasive, global pollution problem
D
all of the above
8

Where is the water table located?

A
10 ft below the surface
B
below the saturated zone
C
at the top of the saturated zone
D
all of the above
9

Driving cars lowers the pH of the oceans by _______.

A
releasing CO2 that dissolves and forms acid in the oceans
B
releasing pollutants that lead to smog
C
releasing CO that dissolves and forms acid in the oceans
D
releasing pollutants that lead to acid rain
10

Which of the following human activities would be expected to be the biggest contributor to air pollution?

A
driving
B
restaurant garbage
C
aerosol cans
D
nuclear weapons
11

Which of the following best describes the effects of water pollution on aquatic ecosystems?

A
It can result in fish kills and restrictions on human consumption.
B
It can change the physiology of fish.
C
It can cause long-term alterations of aquatic ecosystems.
D
All of the above
12

Which of the following sources of pollution would be the most difficult to track and regulate?

A
lawn fertilizer runoff
B
a waste treatment plant
C
a factory
D
a nuclear power plant
13

What is the greatest use of groundwater?

A
drinking
B
industry
C
agriculture
D
recreation
14

Which of the following is a health risk associated with ground-level ozone?

A
cataracts
B
skin cancer
C
respiratory illness
D
all of the above
15

A strategy to reduce, reuse, and recycle would improve ocean health by _______.

A
removing marine debris from the oceans
B
reducing the amount of garbage available to enter the ocean
C
removing garbage from landfills
D
increasing the rate of plankton growth
16

Ozone is both helpful and harmful to life on Earth.

A
T
B
F
17

Which of the following is not a technological way of improving air quality?

A
using electrostatic precipitators
B
installing solar panels
C
composting
D
building wind turbines
18

It is best to say that efficient plumbing _______.

A
reduces water pollution by using less water
B
reduces water pollution by using cleaner water
C
increases water pollution by using more water
D
reduces water pollution by using dirty water
19

Alternative energy sources like solar and wind power _______.

A
are always available
B
are only replenished with human intervention
C
are renewable
D
are more versatile than fossil fuels
20

The _______ is responsible for absorbing the most UV radiation.

A
troposphere
B
stratosphere
C
mesosphere
D
thermosphere

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