AnswersSNHS NV-Environmental ScienceWhat Are Natural Resources?

What Are Natural Resources? Answers

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1
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The natural resources used by society are limited by various factors. Why is coal considered a nonrenewable resource?

A
Once coal is used up, it can never be replaced.
B
Coal is a nonrenewable resource, because it comes from the impact of meteors with the Earth.
C
Coal was a renewable resource, until it was mismanaged by humans.
D
Coal is considered a nonrenewable resource, because it takes millions of years to form.
2
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Adjustments to timber management strategies meant to address long-term shortfalls will _______.

A
result in immediate increases in available supplies
B
lead to initial shortfalls in timber supplies
C
initially decrease the cost of timber
D
ultimately result in more expensive timber
3

How can reduced precipitation lead to limited water availability?

A
It may lead to overuse.
B
It makes water nonrenewable.
C
It contaminates current supplies.
D
It may lead to drought.
4

Water would be considered a(n) _______.

A
potential renewable resource
B
potential nonrenewable resource
C
actual renewable resource
D
actual nonrenewable resource
5

Cyanobacteria have been engineered to produce isobutanol directly. What advantage does this have over other alternative biofuels?

A
It is an inherently renewable fuel source.
B
Multiple processing steps can be avoided.
C
They produce chemical energy through photosynthesis.
D
They make a biofuel alternative to gasoline.
6

The USGS estimates that the United States uses less than 200 billion gallons of water a day.

A
T
B
F
7

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.
8

Wild animals are not considered a natural resource.

A
T
B
F
9

Which of the following is not an effective way to manage forests and trees?

A
planned harvesting
B
planting replacements
C
clearcutting
D
soil maintenance
10

The La Brea Tar Pits are an example of a fossil fuel that

A
is a quickly renewable resource.
B
takes centuries to create.
C
is made of decomposed human bones.
D
will never become scarce.
11

Water would be considered a(n) _______.

A
potential renewable resource
B
potential nonrenewable resource
C
actual renewable resource
D
actual nonrenewable resource
12

How can reduced precipitation lead to limited water availability?

A
It may lead to overuse.
B
It makes water nonrenewable.
C
It contaminates current supplies.
D
It may lead to drought.
13

Genetically engineered bacteria are being developed to produce alternative fuels.

A
T
B
F
14

Adjustments to timber management strategies meant to address long-term shortfalls will _______.

A
result in immediate increases in available supplies
B
lead to initial shortfalls in timber supplies
C
initially decrease the cost of timber
D
ultimately result in more expensive timber
15

Why does fossil fuel use in the United States make the U.S. vulnerable to the political wishes of foreign countries?

A
The US is a net exporter of fossil fuels.
B
Fossil fuels lead to global climate change.
C
The US imports much of its petroleum from foreign countries which set the prices.
D
All of the above.
16

The asphalt in the La Brea Tar Pits is composed of hydrocarbons, but is not considered a fossil fuel.

A
T
B
F
17

Cyanobacteria have been engineered to produce isobutanol directly. What advantage does this have over other alternative biofuels?

A
It is an inherently renewable fuel source.
B
Multiple processing steps can be avoided.
C
They produce chemical energy through photosynthesis.
D
They make a biofuel alternative to gasoline.
18

The leading cause of limited water supplies is _______.

A
low precipitation
B
overuse
C
limiting use
D
government
19

The natural resources used by society are limited by various factors. Why is coal considered a nonrenewable resource?

A
Once coal is used up, it can never be replaced.
B
Coal is a nonrenewable resource, because it comes from the impact of meteors with the Earth.
C
Coal was a renewable resource, until it was mismanaged by humans.
D
Coal is considered a nonrenewable resource, because it takes millions of years to form.

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