AnswersMFISD ENVIRONMENTAL SYSTEMS B 22-23 CRUnit Test

Unit Test — Cumulative exam Answers

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1
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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.
2
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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
3

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.
4

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
5

Which of the following best explains why air pollution that was once blamed for global cooling is now considered responsible for global warming?

A
Pollution began reflecting sunlight and heat rather than absorbing it.
B
Evidence of global warming became overwhelming.
C
Scientists mistakenly thought pollution reflected sunlight and heat rather than absorbed it.
D
Congress required scientists to assign a cause to global climate change.
6

Continued deforestation will most likely lead to _______.

A
a decrease in the number of endangered species
B
an increase in the number of endangered species
C
an increase in the number of oil and chemical spills
D
a decrease in glacial melting
7

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

A
seasons
B
tide cycle
C
evolution
D
population growth
8

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
9

The use of nonrenewable resources can help sustain poverty levels.

A
T
B
F
10

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.
11

Human use of groundwater has _______ over time.

A
increased
B
decreased
C
decreased and then increased
D
remained the same
12

Which of the following statements about air pollution is not true?

A
Air pollution is caused by natural and human processes.
B
Carbon monoxide and sulfur oxides are common air pollutants.
C
Natural components of air, like carbon dioxide, cannot be considered air pollutants.
D
Primary and secondary pollutants are harmful to human health and the environment.
13

Water conservation efforts have been wholly ineffective.

A
T
B
F
14

There are risks associated with drinking potable water.

A
T
B
F
15

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
16

Energy efficiency strategies are based on the assumption that consumers will be willing to pay more in exchange for reduced energy use.

A
T
B
F
17

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

A
T
B
F
18

Governments and businesses have little impact on the environment.

A
T
B
F
19

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
20

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.

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