AnswersGA-GSE Earth Systems BLab: Effects of Human Activity on Freshwater Resources

Lab: Effects of Human Activity on Freshwater Resources — Unit test Answers

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1
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Which is the best strategy for addressing polluted air?

A
Reduce the cost of chemicals used in industrial processes.
B
Study the effects of mold exposure on people who suffer from asthma.
C
Encourage people to continue burning fossil fuels as they drive vehicles.
D
Build industrial plants and facilities that release chemicals during processing.
2
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What happens when the lithosphere interacts with the atmosphere?

A
Gases are released from volcanic eruptions.
B
Carbon dioxide is released during plant respiration.
C
Plants absorb sunlight and minerals during photosynthesis.
D
Oxygen gas is cycled as freshwater supplies are replenished.
3

Which action has a positive effect on air resources?

A
using fossil fuels
B
building new homes
C
walking to work or school
D
removing vegetation such as trees
4

Which describes one way that renewable resources differ from nonrenewable resources?

A
Renewable resources make cleaner energy.
B
It takes longer to replenish renewable resources.
C
Renewable resources are more easily located and harvested.
D
Pollution levels increase with the use of renewable resources.
5

Which statement accurately describes one role of water on Earth?

A
Water in plants and animals transports nutrients into cells.
B
Water reflects sunlight that hits the oceans.
C
Water builds up rock and soil.
D
Water holds heat by trapping it within the equator.
6

Which action destroys topsoil?

A
mowing land
B
adding nutrients to soil
C
plowing land without replanting
D
sowing seeds in land
7

Which resource is renewable?

A
coal
B
oil
C
steel
D
wind
8

Which could cause topsoil to be lost?

A
wind and water erosion
B
lack of use
C
compaction
D
desertification
9

Red wolves are an endangered species in the United States. Which agency is responsible for their protection?

A
National Park Service
B
US Fish and Wildlife Service
C
US Forest Service
D
Bureau of Land Management
10

Which is an example of how water is used inside and around the home?

A
fishing in a lake
B
washing clothes at the laundromat
C
brushing teeth before bed
D
washing a car in an automatic carwash
11

Which correctly lists the three gases that are part of Earth’s cycles in both the atmosphere and biosphere?

A
radon, carbon monoxide, oxygen
B
carbon dioxide, nitrogen, oxygen
C
nitrogen, carbon dioxide, carbon monoxide
D
carbon dioxide, radon, oxygen
12

Which correctly lists the three land uses that the Bureau of Land Management was originally created to manage?

A
mining, recreation, wildlife refuges
B
recreation, developing oil and gas, battlefields
C
grazing, mining, developing oil and gas
D
developing oil and gas, battlefields, wildlife refuges
13

Which statement describes a disadvantage of using natural gas as an energy source?

A
It is expensive to use.
B
It is hard to stop using.
C
It is a renewable resource.
D
It is scarce in some parts of the world.
14

Which statement describes indoor air pollution?

A
Smog is a common source of indoor air pollution.
B
Ultrafine particles are classified as indoor air pollutants.
C
Indoor air pollution does not affect symptoms for people with asthma.
D
Chemicals from industrial power plants cause indoor air pollution.
15

Which statement describes one way that wind energy is different from energy from fossil fuels?

A
Wind energy reliability can be inconsistent.
B
Wind energy produces larger quantities of energy.
C
Wind energy can be reproduced quickly.
D
Wind energy produces more pollution.

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