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| 1. |
Which one of the following gases constitutes the major portion of the atmosphere? |
| Answer» <html><body><p>Oxygen<br/>Nitrogen<br/>Argon<br/>Carbon <a href="https://interviewquestions.tuteehub.com/tag/dioxide-954355" style="font-weight:bold;" target="_blank" title="Click to know more about DIOXIDE">DIOXIDE</a></p></body></html> | |