Earth

A line of equal or constant air temperature is what?

More Questions from Earth
How many planets are in the Earth's solar system?
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What plant's gel is often used in lotions and sunblocks?
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What name was given to the west wind by the Greeks?
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Which north direction is the geographic meridian plane?
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Sudden flooding caused by heavy rain is called what?
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What kind of waves does an earthquake produce?
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How old is the sun estimated to be?
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What is the weather phenomenon known as a "tsunami"?
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