Earth

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

More Questions from Earth
Every second, 100,000 cubic feet of water pours over what?
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What percentage of rock-forming minerals are silicates?
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78% of the earth's atmosphere is composed of which gas?
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What is the name of the galaxy in which the Earth exists?
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In a "drought", what is absent in terms of weather?
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What acidic precipitation occurs when sulfur dioxides build up in the clouds?
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Lightning struck what eight times in 24 minutes?
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What theory proposes that Earth's landmasses were once connected and drifted apart?
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