All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
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The Earth's atmosphere weighs about 5.5 quadrillion tons.
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Aluminum used to be more valuable than gold!
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One barrel of petroleum holds 42 gallons.
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A cubic yard of air weighs about 2 pounds at sea level.
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Balsa wood is classified as a hard wood!
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Cold water weighs more than hot water.
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