Answers2001310 Earth Science Sem 1 - ReevesTypes of Radioactive Decay

Human Impact on the Environment Answers

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1
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Which is a consequence of global warming?

A
cooling oceans
B
growing glaciers
C
less frequent hurricanes
D
rising sea levels
2
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Which is a renewable resource?

A
petroleum
B
wood
C
iron
D
coal
3

Why are invasive species dangerous to the environment?

A
They pollute the environment.
B
They are all voracious predators.
C
They threaten biodiversity.
D
They are nonrenewable.
4

Which describes the greenhouse effect?

A
an artificial process
B
a dangerous process
C
a natural process
D
a new process
5

Which water source may become polluted as it travels over land?

A
ponds
B
groundwater
C
oceans
D
runoff
6

Which gases contribute to the greenhouse effect?

A
nitrogen and helium
B
carbon dioxide and methane
C
carbon dioxide and helium
D
nitrogen and methane
7

Which is a nonrenewable resource?

A
soil
B
fish
C
wood
D
coal
8

As the human population grows, what happens to our natural-resource requirements?

A
They increase.
B
They decrease.
C
They do not change.
D
They go in cycles.
9

Which of the following substitutions can help reduce air pollution?

A
using a bike instead of a car
B
using dumps instead of landfills
C
using coal instead of oil
D
using fireplaces instead of a wind farms
10

Which is a sustainable practice?

A
operating wind farms
B
clear cutting
C
flood irrigation
D
overfishing
11

Which type of pollution includes CFCs and smog?

A
land
B
air
C
water
D
volcanic
12

What are sustainable use practices?

A
any materials that exist in nature and that are used by humans
B
the managed consumption of natural resources to prevent their depletion or environmental destruction
C
the deployment of fossil fuels to environments that previously did not have access to such resources
D
ways in which individuals are able to conserve native animal and plant species
13

Scientists predict that we will eventually use up all available fossil fuels. Which list includes only fossil fuels?

A
wood, natural gas, and coal
B
natural gas, coal, and oil
C
wood, natural gas, and solar
D
coal, oil, and solar

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