AnswersFL-2001340-Environmental Science Sem 2Milestones and Turning Points

Milestones and Turning Points — Cumulative exam Answers

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21
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Human use of groundwater has _______ over time.

A
increased
B
decreased
C
decreased and then increased
D
remained the same
22
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Which of the following stages of urban development contributed to an increase in suburban living?

A
preindustrial
B
industrial
C
pedestrian
D
automobiles
23

Which of the following energy sources is expected to have the highest rate of consumption in 2030?

A
coal
B
natural gas
C
nuclear
D
renewable energy
24

The greenhouse effect _______.

A
is essential for life on Earth
B
warms Earth’s atmosphere
C
is a natural phenomenon
D
all of the above
25

The world’s largest remaining tract of mangrove forest is in Australia.

A
T
B
F
26

Which of the following is not a zoning type?

A
commercial
B
residential
C
agricultural
D
slum
27

Why does culture establish the standard by which quality of life is measured?

A
Cultures are defined by the demographics of their populations.
B
Culture establishes the framework by which individuals judge their environment.
C
Culture defines the domains of family and health that define quality of life.
D
A society’s culture defines its socioeconomic conditions.
28

Which of the following is an example of a long-term change to ecosystems?

A
seasons
B
tide cycle
C
evolution
D
population growth
29

Exposure to pesticides or industrial chemicals _______.

A
always has immediate and apparent side effects
B
decreases the risk of developing genetically influenced diseases
C
increases the risk of developing genetically influenced diseases
D
has no effect on the risk of contracting genetically influenced diseases
30

What is an advantage to alternative energy technology?

A
Using alternative energy technology increases the demand for fossil fuels.
B
Most alternative energy technologies use nonrenewable resources.
C
Alternative energy technology can reduce the environmental impact of burning fossil fuels.
D
There is no advantage to using an alternative energy technology.
31

An understanding of how human activity affects the environment is important for environmental policy makers.

A
T
B
F
32

Governments and businesses have little impact on the environment.

A
T
B
F
33

Which of the following best explains why the Inuit principally relied on hunting for survival?

A
Tundra never thaws sufficiently for crops to grow.
B
Prey animals are more scarce in tundra regions.
C
The Inuit traditionally live near the coast.
D
None of the above
34

The world’s largest remaining tract of mangrove forest is in Australia.

A
T
B
F
35

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.
36

Which of the following best explains the environmental problems associated with trawling?

A
Trawling always destroys sea floor ecologies.
B
Trawling gathers fish indiscriminately.
C
Trawling is too selective at gathering fish.
D
All of the above
37

Which of the following is true concerning sources of water pollution?

A
Mine wastes and heavy metals become water pollution through storm water runoff.
B
Biodegradable materials like food, wood, and leaves are not considered pollution.
C
Petroleum byproducts and fuels end up as pollution principally from oil spills.
D
Pesticides and herbicides do not commonly become water pollutants.
38

Why do many fishermen support efforts to protect and restore mangrove forests?

A
Most fishermen are environmentalists.
B
Many fish breed in mangrove forests.
C
They lay their nets in mangrove forests.
D
Mangrove forests provide valuable hardwoods.
39

The use of biotechnology in agriculture is generally more harmful than beneficial.

A
T
B
F
40

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

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