AnswersFL-2001340-Environmental Science Sem 2Unit Test

Unit Test — Unit test Answers

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1
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The use of non-local resources is associated with certain economic and environmental consequences.

A
T
B
F
2
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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.
3

Why was the concern over global cooling replaced with a concern over global warming?

A
The science community needed a cause to frighten the general population.
B
Steady surface temperature increases were noted between the 1970’s and 90’s.
C
Air pollution only became a concern in the 1980’s.
D
Scientists observed severe ocean acidification.
4

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.
5

Which of the following statements about human society and limiting factors is true?

A
Modifications made to the environment to reduce the impact of limiting factors can cause disruption to the natural balance of an ecosystem.
B
Humans cannot modify their environment to adapt it to their needs.
C
Humans can completely overcome the factors that limit population size.
D
Limiting factors are of no concern to human society, because they do not affect human populations.
6

How many kilocalories of energy would you expect a person in contemporary England to consume daily (including food, transportation, household use, etc.)?

A
millions
B
hundreds of thousands
C
tens of thousands
D
thousands
7

Which of the following is the most likely cause for global climate change?

A
a decrease in the overall temperature of the Earth
B
an increase in the overall temperature of the Earth
C
an increase in the number of cold climates
D
no change to global climate
8

Humans living in highly populated areas are more inclined to _______.

A
violence
B
socially isolate
C
appetite loss
D
all of the above
9

Habitat change occurs more frequently through natural causes than human activity.

A
T
B
F
10

Which of the following is not a technology that can be used to conserve resources?

A
hydropower
B
volcanic power
C
natural gas
D
geothermal
11

Which of the following cycles does not involve living organisms?

A
carbon cycle
B
oxygen cycle
C
rock cycle
D
nitrogen cycle
12

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

A
T
B
F
13

Which of the following cycles does not involve living organisms?

A
carbon cycle
B
oxygen cycle
C
rock cycle
D
nitrogen cycle
14

Which of the following statements about paper recycling is not true?

A
Recycling one ton of newspaper can save 100 trees.
B
Recycling paper can lead to 74% less air pollution.
C
Paper recycling can save on the use of water resources.
D
Recycling paper can lead to 35% less water pollution.
15

Which of the following statements about resource use is true?

A
The use of renewable resources has no inherent costs.
B
Resource use, whether renewable or nonrenewable, must be carefully managed to reduce the impact on the environment.
C
Nonrenewable resources are used for energy, because there are no renewable resources that can be used as a source of energy.
D
The overuse of nonrenewable resources is less environmentally damaging than the overuse of renewable resources.
16

Ecosystems have trouble adjusting to short-term changes.

A
T
B
F
17

Which of the following is not true concerning the elements of a quality life?

A
It might include financial and physical security.
B
They are considered stable over a lifetime.
C
It is highly individualized.
D
It depends upon personal environment and relationships.
18

Without the greenhouse effect the Earth would be _______ than it is today.

A
warmer
B
drier
C
colder
D
wetter
19

“In a 2009 study, presented by the National Academy of Science, 97% of climate scientists agree that human activity is causing global warming." Which of the following statements is best supported by this study?

A
Most climate scientists dispute the theory of human influence on global warming.
B
Global warming is most likely alarmist propaganda based on false data.
C
Global warming is definitely not caused by human influence on nature.
D
Most climate scientists believe that there is evidence that explains global warming.
20

Which of the following is not a reason that small societies can maintain stability in the long term better than larger societies?

A
Smaller societies have a smaller demand for resources.
B
Smaller societies can be governed by internal controls more effectively than larger societies.
C
Smaller societies rely more heavily on legislation and military forces.
D
Smaller societies tend to have stronger interpersonal relationships.

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