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Environmental Science MCQ

1. Efficiency of coal-fired power plants can be nearly doubled by ________.

Answer

Correct Answer: Cogeneration

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2. Currently, fossil fuels meet ________ of the global energy needs.

Answer

Correct Answer: 79%

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3. Water that stays in liquid form at temperatures below freezing is termed ________.

Answer

Correct Answer: Supercooled

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4. Variations in air pressure from place to place are the principal cause of _____.

Answer

Correct Answer: Wind

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5. Upper air winds ________.

Answer

Correct Answer: Are generally faster than surface winds

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6. Undersea earthquakes and volcanic eruptions may produce ________.

Answer

Correct Answer: A tsunami

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7. Sinking air exerts a downward force to form ____ regions.

Answer

Correct Answer: High-pressure

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8. Oil _____.

Answer

Correct Answer: Is made from buried remains of plants and animals

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9. Of the following, ________ is (are) an abiotic factor.

Answer

Correct Answer: Temperature

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10. Not only does topsoil erosion lead to loss of soil fertility, it can also cause ________ .

Answer

Correct Answer: Water pollution

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11. Latent heat that is the energy source for many storms can be transported by ________.

Answer

Correct Answer: Water vapor

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12. In an average year, more people die from ____ than from any other natural disaster.

Answer

Correct Answer: Heat

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13. Circulation in the troposphere is mainly a(n) ________ system.

Answer

Correct Answer: Closed

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14. At the same pressure, warm and humid air is ______ equally warm and dry air.

Answer

Correct Answer: Less dense than

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15. All of the following instruments are used to measure air pressure except for ________.

Answer

Correct Answer: Anemometer

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16. A(n) ________ is a linear zone of lower pressure between two areas of high pressure.

Answer

Correct Answer: Trough

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17. ____ is the mass of water vapor in a given amount of air expressed in grams per cubic meter (g/m3).

Answer

Correct Answer: Absolute humidity

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