AnswersEnvironmental Science B WHSGlobal Connection: Water Management and Katrina

What Are Natural Resources? Answers

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1
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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
2
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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.
3

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.
4

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.
5

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

A
T
B
F
6

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.
7

Nonrenewable resources, like fossil fuels, were produced through biological processes.

A
T
B
F
8

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
9

Natural gas drilling locations are determined by _______.

A
random drilling
B
seismic surveys
C
natural gas dogs
D
satellite surveys
10

The leading cause of limited water supplies is _______.

A
low precipitation
B
overuse
C
limiting use
D
government
11

Wild animals are not considered a natural resource.

A
T
B
F
12

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
13

Despite the energy crisis in the 1970s, the United States has

A
increased its dependence on coal energy
B
decreased its dependence on coal energy
C
increased its dependence on foreign oil sources
D
decreased its dependence on foreign oil sources
14

Adjusting timber-management strategies to address long-term shortfalls will

A
immediately increase available supplies.
B
initially create shortfalls in timber supplies.
C
initially decrease the cost of timber.
D
eventually result in more expensive timber.
15

Water would be considered a(n) _______.

A
potential renewable resource
B
potential nonrenewable resource
C
actual renewable resource
D
actual nonrenewable resource
16

Genetically engineered bacteria are being developed to produce alternative fuels.

A
T
B
F
17

The United States’ fossil fuel shortage of

Answer not available
18

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

A
T
B
F
19

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.

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