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9 March, 02:29

What two gas composes the largest portion of Earth's atmosphere?

water and carbon dioxide

oxygen and carbon dioxide

nitrogen and carbon dioxide

nitrogen and oxygen

+4
Answers (2)
  1. 9 March, 02:55
    0
    option 4 oxygen and nitrogen

    Explanation:

    nitrogen = 78%

    oxygen = 21%
  2. 9 March, 04:10
    0
    The second one, Oxygen and Carbon Dioxide
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