AnswersSC332 Environmental Science BSuccess Stories

Topic Test Answers

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1
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It is best to say that the protection to properties offered by sea walls along coasts _______.

A
decreases the present and future risk to human properties
B
increases both the present and future risk to human properties
C
decreases the present but increases the future risk
D
increases the present but decreases the future risk
2
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Collaborations between environmental groups and business interests on environmental issues have resulted in successful partnerships.

A
T
B
F
3

Which of the following statements about the effects of agricultural techniques on the environment is true?

A
Fertilizer used for agriculture can enter bodies of water, causing eventual oxygen depletion.
B
Pesticides and herbicides are potentially harmful to bodies of water only before they degrade.
C
Agricultural practices have limited impact on the surrounding environment.
D
Tillage is an important agricultural practice that has no known environmental impact.
4

Large-scale environmental catastrophes _______.

A
result from human activities
B
have a negative impact on ecosystems
C
affect a variety of environmental factors
D
all of the above
5

How is an ecological footprint determined?

A
An ecological footprint is determined by measuring the average amount of land and water that a person in a region uses.
B
An ecological footprint is determined by measuring carbon dioxide emissions for a given region.
C
An ecological footprint is determined by measuring the rate of water use.
D
An ecological footprint is determined by measuring the amount of waste generated in a given region.
6

How do natural disasters weaken a community’s social infrastructure?

A
Social systems are unbalanced by the damage caused by natural disasters.
B
Natural disasters tend to target the poorest members of a community.
C
The number of natural disasters is increasing across the globe.
D
Natural disasters can cause billions of dollars in property damage.
7

The U.S.-Mexico border 2012 program’s goal is to _______.

A
prevent illegal immigration
B
improve transboundary ecosystem health
C
promote joint economic development
D
reintroduce endangered species
8

Renewable resources can be used without worry about consequences to the environment.

A
T
B
F
9

Which of the following statements about energy producing technologies is true?

A
Some currently used energy producing technologies have no disadvantages.
B
Alternatives to nonrenewable energy sources can be as effective.
C
Air pollution is common to all energy producing technologies.
D
Alternatives to nonrenewable energy sources are typically more damaging to the environment.
10

Energy producing technologies can positively impact soil fertility.

A
T
B
F
11

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.
12

Which of the following is not a significant threat to the world’s rainforests?

A
logging
B
agriculture
C
grazing
D
shipping
13

Wetlands and estuaries are critical ecosystems, but do not require protection.

A
T
B
F
14

Good land and production practices can help increase greenhouse gas emissions.

T
T
F
F
15

What sometimes occurs when reclaimed water is used in agriculture?

A
crop death
B
overtillage
C
pharmaceutical accumulation
D
increased land use
16

The majority of damage caused by volcanoes is from lava flows.

A
T
B
F
17

Which of the following energy sources does not require waste disposal?

A
geothermal
B
biomass
C
nuclear
D
coal
18

How does the use of hydroelectric energy compare to the use of coal?

A
Hydroelectric energy is more commonly used than coal.
B
Hydroelectric energy is associated with less waste production than coal.
C
Hydroelectric energy has a larger environmental impact than coal use.
D
Hydroelectric energy requires more land space than coal use.
19

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.
20

Which of the following best explains the potential health problems associated with endocrine disruptors?

A
Endocrine disruptors mimic hormones that regulate critical biological processes.
B
Endocrine disruptors encompass a wide array of toxic pesticides.
C
Endocrine disruptors do not biodegrade, remaining toxic years after their release.
D
There are no major health problems associated with exposure to endocrine disruptors.

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