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Evolution question

2004 · Q73
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Evolution question

2004 · Q73

NEETBiologyEvolutionMCQ+4 / −1
According to oparin, which one of the following was not present in the primitive atmosphere of the earth ?
  1. A
    Water vapour
  2. B
    Oxygen
  3. C
    Methane
  4. D
    Hydrogen
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