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In the early Earth, water and CO_2 were produced by the combin
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In the early Earth, water and were produced by the combination of with

A
Ammonia and methane

B
Hydrogen

C
Organic matter

D
Sulphates and nitrates

E
Hydrogen sulphide

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Text SolutionText solutionverified iconVerified

In early atmosphere no free oxygen was present. It reacted with other gases like methane and ammonia to produce water and carbon dioxide. In this manner oxygen became locked and permitted origin and development of primitive heterotrophs.
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Question Text
In the early Earth, water and were produced by the combination of with
TopicEvolution
SubjectBiology
ClassClass 12
Answer TypeText solution:1
Upvotes72