5
Q:
| A) Nitrogen | B) Argon |
| C) Oxygen | D) Helium |
Answer: A) Nitrogen
Explanation:
Explanation:
The atmosphere is a mixture of several gases. Nitrogen is the most abundant gas in the atmoshere and oxygen is next to it. It is 78% in the atmosphere and 21% is oxygen. Remaining 1% is all other gases like argon, hydrogen, neon, etc...
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