Sustainability — Cumulative exam Answers

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1
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Which of the following scenarios is representative of how agricultural practices can affect the environment?

A
increased oxygen levels in a pond due to fertilizer runoff
B
sediment accumulation in a body of water near a farm
C
soil compaction caused by tillage
D
increased plant growth caused by the application of herbicides
2
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The wide variety of organisms present in coral reefs and their complex relationships make coral reef preservation an important priority.

A
T
B
F
4

It is important for _______ to participate in conservation efforts.

A
government
B
business
C
citizens
D
all of the above
6

The Kyoto protocol works by _______.

A
mandatory involvement
B
voluntary involvement
C
imposing trade restrictions on nonparticipating countries
D
offering monetary rewards to participating countries
7

Which of the following is a difficulty associated with environmental protection?

A
cost
B
unpredictability
C
sustainability
D
all of the above
8

Which of the following is a possible cost of using renewable resources?

A
loss of animal species
B
land degradation
C
lower availability of freshwater
D
all of the above
9

How can the use of biotechnology lead to an increase in soil conservation practices?

A
Biotechnology use can lead to a decrease in pesticide and herbicide use, maintaining soil quality.
B
Biotechnology use can lead to soil compaction, preventing erosion.
C
Biotechnology use can increase the amount of management required for agriculture, increasing the likelihood of the practice of soil conservation.
D
All of the above
11

What is the most important consideration for environmental policy makers?

A
popular opinion
B
environmental health
C
cost
D
none of the above
13

Which of the following is true of coral?

A
It is located in deep sea regions.
B
It supports few species.
C
It is composed of a single large and complex coral organism.
D
It is composed of thousands of individual coral organisms.
15

Which of the following is not a benefit of wildfires to ecosystems?

A
habitat loss
B
underbrush reduction
C
new growth
D
plant regeneration
16

Which of the following practices that are needed to run a nuclear power plant has a negative impact on both air and water?

A
cooling of the power plant
B
mining of uranium
C
storage of radioactive waste
D
monitoring the reactor
17

How is the world population projected to change in the next few decades?

A
It is projected to level off.
B
It is projected to decrease steadily.
C
It is projected to increase steadily.
D
It is projected to double within 5 years.
18

Why is preventing pollution at its source the first strategy in minimizing environmental risk?

A
It is easier and more effective to prevent pollution than to clean up and dispose of waste.
B
Remediation of contamination is easier than pollution prevention.
C
Habitat restoration cannot be undertaken with modern technologies.
D
Safe waste disposal is the easiest was to minimize environmental risk.
19

The principle difference between point source and nonpoint source water pollution is _______.

A
whether the pollution is organic or inorganic
B
the number of sources of pollution
C
the amount of pollution
D
whether it is from commercial or agricultural sources
20

What characteristic sets streams and rivers apart?

A
water quality
B
direction of flow
C
size
D
biodiversity

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