AnswersSNHS NV-Environmental ScienceWhat Are Natural Resources?

What Are Natural Resources? Answers

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1
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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.
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

Wild animals are not considered a natural resource.

A
T
B
F
4

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.
5

The leading cause of limited water supplies is _______.

A
low precipitation
B
overuse
C
limiting use
D
government
6

Fish, trees, and animals are important wildlife resources that we depend on for survival. Fish are a main source of food for many of the people in the world. Trees have been used to build and heat homes, make paper, and provide food for centuries. Humans hunt land animals such as deer, fox, antelope, and buffalo for food and other products. What can we do to protect wildlife resources so they will be around for future generations?

A
nothing–wildlife resources are renewable and will eventually replenish themselves
B
harvest fast-growing trees, impose fishing limits, and impose laws to prevent poaching and illegal hunting
C
not use wildlife resources–they are nonrenewable and cannot be replaced
D
not allowing fish farming, selected harvesting of younger trees, and laws that do not put a limit on hunting
7

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

A
T
B
F
8

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

A
T
B
F
9

Genetically engineered bacteria are being developed to produce alternative fuels.

A
T
B
F
10

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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