According to Oparin, which one of the following was not present in the primitive atmosphere of the earth? (a) Methane (b) Oxygen (c) Hydrogen (d) Water vapour

According to Oparin, which one of the following
was not present in the primitive atmosphere of the
earth?
(a) Methane (b) Oxygen
(c) Hydrogen (d) Water vapour
by

1 Answer

Answer :

b) Oxygen
by

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