Nitrogen makes up approximately 78% of Earth's atmosphere, making it the most abundant gas, followed by oxygen at about 21%, with trace amounts of other gases including carbon dioxide and hydrogen.
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Which Gas Makes Up Most of Earth’s Atmosphere? | how many gases in atmosphere本站添加:
Science brain test. Which gas makes up most of the Earth's atmosphere? A.
Oxygen, B. Carbon dioxide, C. Nitrogen, D. Hydrogen.
The correct answer is C. Nitrogen. Did you get it right? Comment nitrogen below. Subscribe to GK Flash World for more science quizzes.
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