题目内容

The process of restoring land that has been mined to a natural or economically usable purpose is known as

A. reclamation.
B. preservation.
C. conservation.
D. rehabilitation.
E. reconstitution.

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Which of the following are derived from biological material that became fossilized millions of years ago?

A. non-renewable energy
B. fossil fuels
C. nuclear fuel
D. renewable energy
E. alternative energy

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Which of the following is a device that can be turned by water, wind, steam or exhaust gas from combustion that turns a generator in an electricity producing plant?

A. fan
B. combine
C. turbine
D. capacitor
E. motor

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Which of the following organisms is the first to be adversely affected by thermal pollution in a stream?

A. trees along the bank
B. insect larvae in the water
C. large fish migrating upstream
D. birds drinking the H2O
E. bacteria in the water

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Which of the following best describes the current state of the world's largest aquifer, the Ogallala Aquifer in the American Midwest?

A. It continues to decrease in volume as water is pumped for human uses.
B. It is recharging quickly as a result of increased rainfall.
C. It is recharging slowly but still faster than the water removal rate.
D. It is experiencing saltwater intrusion.
E. It is completely dried as a result of overpumping.

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The process of restoring land that has been mined to a natural or economically usable purpose is known as

A. reclamation. B. preservation. C. conservation. D. rehabilitation. E. reconstitution.

Which of the following are derived from biological material that became fossilized millions of years ago?

Which of the following is a device that can be turned by water, wind, steam or exhaust gas from combustion that turns a generator in an electricity producing plant?

Which of the following organisms is the first to be adversely affected by thermal pollution in a stream?

Which of the following best describes the current state of the world's largest aquifer, the Ogallala Aquifer in the American Midwest?

A. reclamation.
B. preservation.
C. conservation.
D. rehabilitation.
E. reconstitution.