The primitive atmosphere was reducing since ______(a) Hydrogen atoms are very few(b) Hydrogen atoms were active and many in number(c) Helium atoms were more(d) Oxygen atoms were moreThis question was posed to me at a job interview.Question is taken from Evolution in division Evolution of Biology – Class 12

The primitive atmosphere was reducing since ______(a) Hydrogen atoms a

1.	The primitive atmosphere was reducing since ______(a) Hydrogen atoms are very few(b) Hydrogen atoms were active and many in number(c) Helium atoms were more(d) Oxygen atoms were moreThis question was posed to me at a job interview.Question is taken from Evolution in division Evolution of Biology – Class 12
Answer» The correct OPTION is (b) Hydrogen ATOMS were active and many in number To explain I would say: The active hydrogen atoms reacted with free oxygen atoms forming water. So, the primitive ATMOSPHERE was reducing WITHOUT free oxygen unlike the present oxidizing atmosphere with free oxygen.

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