Topic Test Answers

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41
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Community redevelopment programs are primarily directed towards _______.

A
preventing pollution in commercial and residential properties
B
improving property values by eliminating blighted buildings
C
establishing basic sanitation in urban environments and communities
D
cleaning up abandoned, unused, and polluted properties
42
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Energy sustainability can best be achieved by using ______.

A
nonrenewable energy sources
B
renewable energy sources
C
carbon sequestration
D
recycled plastics
43

How does nuclear energy use differ from geothermal and solar energy use?

A
Geothermal and solar energy both have a mining step, while nuclear energy does not.
B
Geothermal and solar energy both require water, while nuclear energy does not.
C
Geothermal and solar energy are both renewable, while nuclear energy is not.
D
Geothermal and solar energy both generate a significant amount of waste, while nuclear energy does not.
44

Endocrine disruptors are best described as _______.

A
highly toxic pesticides
B
hormone mimics
C
plastics precursors
D
industrial byproducts
45

Which choice is an example of an effect of agricultural techniques on the environment?

A
increased oxygen levels in a pond due to fertilizer runoff
B
sediment accumulation in a lake near a farm
C
soil compaction caused by tillage
D
increased plant growth caused by application of herbicides
46

Used fuel assemblies are typically considered _______.

A
low-level waste
B
uranium mill tailing
C
high-level waste
D
all of the above
47

Human activities can have an impact on natural disasters.

A
T
B
F
49

What is the current greatest threat to agricultural sustainability?

A
erosion
B
water pollution
C
air quality
D
all of the above
52

The use of _______ is expected to increase in the future.

A
coal
B
natural gas
C
renewable energy
D
all of the above
53

Which of the following best explains why deforestation increases the risk of floods in an area?

A
Tree leaves catch and retain rain water.
B
Trees block the free flow of water.
C
Deforestation increases precipitation.
D
Tree roots improve soil water retention.
57

Which of the following energy producing technologies can be beneficial to soil quality?

A
biomass
B
solar
C
wind
D
oil
58

How is the production of mercury from burning coal an environmental hazard?

A
High concentrations of mercury in the air leads to global warming.
B
Mercury in water systems is transformed through biological processes into a substance that is toxic to animals.
C
Mercury combines with other coal emissions in the air to produce ozone.
D
All of the above
60

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

A
geothermal
B
biomass
C
nuclear
D
coal

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