A) \[N{{H}_{3}},\] protein, carbohydrate and nucleic acid
B) \[N{{H}_{3}},\] water, nucleic adds and protein
C) \[N{{H}_{3}},\] nucleic acids/ protein and carbohydrate
D) protein, carbohydrate, water and nucleic acids
Correct Answer: B
Solution :
As the earth cooled, free atoms in the atmosphere formed inorganic molecules (including \[{{H}_{2}}O\] and \[N{{H}_{3}}\]) which interacted to form sugars; and then proteins and nucleic acids.
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