Effects of Technology Answers

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3

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
4

Which of the following emissions is associated with burning coal?

A
sulfur dioxide
B
carbon dioxide
C
nitrous oxides
D
all of the above
5

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.
6

Which of the following statements about the use of hydrokinetic energy is not true?

A
Hydrokinetic energy is a commonly used form of energy.
B
Hydrokinetic energy requires the movement of waves.
C
Hydrokinetic energy can be used without the need to mine materials.
D
Hydrokinetic energy generates little waste.
7

Which of the following is not a way that oil production could potentially affect aquatic viability?

A
marine oil spills during transportation
B
offshore oil drilling
C
interruption of water flow
D
contamination from waste products
8

Which of the following is not a consequence of fossil fuel use?

A
increased concentrations of atmospheric carbon dioxide
B
destruction of wildlife habitats
C
leaching of waste into groundwater
D
none of the above
11

Which of the following is not an impact associated with the use of hydroelectric energy?

A
release of contaminants
B
interruption of natural water flow
C
increase of riverbed erosion
D
disruption of aquatic wildlife
12

Nuclear energy use can negatively impact water quality.

A
T
B
F
13

How can biomass energy use improve water quality?

A
The combustion of biomass material to produce energy improves water quality by filtering out pollutants.
B
Biomass energy use does not require water, which reduces the impact of other energy producing technologies on water quality.
C
Soil erosion and sedimentation are decreased during biomass crop growth.
D
All of the above
14

How do scrubbers reduce the impact of coal use?

A
Scrubbers remove all harmful emissions from smoke before it leaves the plant.
B
Scrubbers remove nearly all carbon dioxide from smoke of coal power plants.
C
Scrubbers remove sulfur from the smoke of coal power plants.
D
Scrubbers remove large particulates from the smoke of coal power plants.

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