Earth

Whose calculation of the size of the earth's diameter was almost exact?

More Questions from Earth
Which of these terms means "protecting and using a resource wisely"?
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What basic cloud formation resembles cauliflower?
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The bottom layer of the atmosphere is called what?
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Sudden flooding caused by heavy rain is called what?
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What is the destruction of forests called?
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A weather proverb says: "Clear moon," followed by what?
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Which of these is a spiral storm that can be many miles wide?
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Abnormally warm weather in autumn is called what?
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