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hydrogen and oxygen

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13y ago

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Coffee is mostly water, H2O. Of water, hydrogen is the most common element, so hydrogen in the most common element in coffee.


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Water is not an element. The element that is most present in the atmosphere is Nitrogen at about 70% (Oxygen is about 20%). I don't know about the most common element in the earth's crust though. I'd say that the most common element overall is Carbon (since all life is carbon based)


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Most common element on earth after oxygen?

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i know it it is a common element hope it helped