AnswersAZ-Environmental Science BUnit Test

Unit Test — Cumulative exam Answers

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1
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The ozone layer is located in the _______.

A
troposphere
B
stratosphere
C
mesosphere
D
thermosphere
2
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Using water more efficiently _______.

A
protects the environment
B
causes the loss of natural pollution filters
C
increases water contamination
D
all of the above
3

Fossil fuels are an important natural resource used by society. Which of the following best describes fossil fuels?

A
They are any liquid fuel derived from once-living matter.
B
They are organic fuels derived from ancient plants and animals.
C
They are fuels in which dinosaur fossils are commonly found.
D
They are naturally occurring inorganic fuels like coal and petroleum.
4

Which of the following is(are) true concerning the 2004 tsunami in Indonesia?

A
It had minimal human casualties.
B
The tsunami waves were as high as 500 feet.
C
It was triggered by magnitude 9.1 earthquake.
D
All of the above
5

It is best to say that restoring and protecting estuaries and wetlands _______.

A
helps prevent pollution in coastal waterways
B
results in higher juvenile fish mortality
C
improves the health of coastal ecosystems
D
has no impact on fish populations
6

Under maritime law, cruise ships are not allowed to discharge their garbage at sea.

A
T
B
F
7

Which of the following is a negative consequence of scientific advancements on society?

A
increased life expectancy
B
increased pollution
C
new energy resources
D
all of the above
8

Buffer zones _______.

A
can help regulate the acidity of aquatic ecosystems
B
help increase erosion rates
C
are set up around natural resource areas
D
all of the above
9

Which of the following is not a strategy for reducing environmental risk?

A
safely disposing of waste
B
setting fines for pollution
C
remediating waste generation
D
remediating contamination
10

Which of the following is true about glass recycling?

A
Recycling glass reduces the rate of deforestation.
B
Recycling glass eliminates greenhouse gas emissions.
C
Recycling glass is an energy-saving practice.
D
Recycling glass has an incredibly short turn around time.
11

Hedgerows have created a new ecosystem within Britain’s _______.

A
farms
B
cities
C
forests
D
industrial areas
12

The trend of declining ecosystem resource availability and increasing demand for these resources can best be countered by _______.

A
increasing the supply of ecosystem resources
B
decreasing the demand for ecosystem resources
C
applying sustainable development practices
D
developing new technologies for resource collection
13

It is unlikely that the United States will have further turning points in environmental policy, as most important issues have already been addressed.

A
T
B
F
14

Which of the following will not contribute to resource conservation?

A
using solar power
B
recycling glass
C
using nuclear power
D
using biofuels
15

After the energy crisis of the 1970’s and the OPEC oil embargo, the US _______.

A
increased its dependency on foreign oil
B
began to wean itself off of foreign oil and the economic vulnerability it brings
C
changed over to all renewable energy sources
D
began building new nuclear power plants to replace fossil fuel use
16

Changes to waterways will discontinue if human impacts on waterways cease.

A
T
B
F
17

Which of the following is not a way that oil production could potentially affect aquatic viability?

A
marine oil spills during transportation
B
offshore oil drilling
C
interruption of water flow
D
contamination from waste products
18

Soil generation and soil conservation are equally effective agricultural strategies.

A
T
B
F
19

Permits in the cap and dividend policy are issued for _______ production.

A
carbon dioxide
B
timber
C
water pollution
D
plastic
20

Which of the following statements about large scale mineral extraction is true?

A
The economic benefits of large scale mineral extraction outweigh the environmental costs.
B
Large scale mineral extraction is more destructive than in the past.
C
Large scale extraction is vital to the economy of mining towns.
D
Mineral extraction cannot be done in ways that do not completely destroy the environment.

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