Airplanes measure their altitude using
A) a mercury barometer.
B) an anemometer.
C) a hygrometer.
D) an aneroid barometer.
E) sextants.
D
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What will be an ideal response?
Which of the following are current limiting factors for future human population growth?
A) Pollution and land for agriculture B) Availability of oxygen and water C) Fossil fuels and carbon dioxide production D) Oxygen levels in the atmosphere and availability of sodium chloride
Which of the following would involve the greatest change in atmospheric pressure?
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Widespread CHP technologies will result in
A) increased reliance on fossil fuels. B) more on-site power generating systems in buildings. C) increased reliance on large power plants. D) a shift from fossil fuel to nuclear technologies.