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  • CPMT - 2002 (Zoology)
  • According to one of the most accepted theory, the earth a...
Multiple choice

According to one of the most accepted theory, the earth atmosphere (before any life had originated) consisted of H2O, H2, NH3 and

  1. CH4

  2. N2

  3. O2

  4. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Methane was certainly present in the pre-biotic atmosphere.

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