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During the spring equinox in the northern hemisphere, the circle of illumination passes directly through the...
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Poles
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Clouds play an important role in the Earth's energy budget because they...
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Reflect solar energy
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The primary factor which determines what type and how much radiation an object emits is its...
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Temperature
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The strength of the greenhouse effect in keeping the surface temperatures warm can vary from place to place due to changes in...
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All of these
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On the average, how much of the Sun's energy that is intercepted by the Earth system is reflected to space?
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30%
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Scattering...
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Is responsible for the redness of sunsets
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The length of daylight gets progressively longer going south from the equator on...
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June 21
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All radiation emitted by the Earth and its atmosphere is in the category of...
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Infrared
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Most of the solar energy absorbed by planet Earth and its atmosphere is absorbed by...
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The Earth's surface
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Which of the following gases is the best absorber of ultraviolet light?
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Oxygen
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The North Pole has a higher noon Sun angle than New York City (40degreeN lat.) on...
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None of these
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During natural processes, heat transfer is always from...
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Warmer to cooler substances
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Suppose the albedo of a planet is measured to be 40%. This means that...
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40% of the Sun's energy is reflected
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The Earth emits terrestrial radiation...
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All the time
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At 45degreesS latitude, the angle of the noon Sun is lowest and the length of daylight is shortest on...
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June 21
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