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Class 12BiologyEvolutionOrigin of Life
Easy

The primitive or early atmosphere was composed of which mixture?

  • A
    Oxygen,Ammonia,Methane,Water
  • B
    Hydrogen,Ammonia,Methane,Oxygen
  • C
    Hydrogen,Water vapor,Methane,Ammonia
  • D
    Oxygen,Methane,Water,Nickel
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Class 12 Questions

Class 12

Biology Questions

Chapter

Evolution

Subtopic

Origin of Life

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