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The most important elements in the Earth's atmosphere are N (nitrogen) and O (oxygen).

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12y ago

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What 2 elements are the most common in earths atmosphere?

The two most common elements in Earth's atmosphere are nitrogen, making up about 78%, and oxygen, making up about 21%.


How many elements are in the atmosphere?

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What are the symbols of the 2 most abundant elements found in earths atmosphere?

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What are the 2 dominant elements in Earth's atmosphere?

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What 2 elements make-up approximately 99 percent of the Earth's atmosphere?

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