Match the following: Column I Column II ( A ) Origin of the Earth (I) 3 billion years ago ( B ) Origin of the Universe (II) 4.5 billion years ago ( C ) Origin of first cellular life form (III) 20 billion years ago ( D ) Origin of first non-cellular life form (IV) 2 billion years ago

Question

Match the following: Column I Column II ( A ) Origin of the Earth (I) 3 billion years ago ( B ) Origin of the Universe (II) 4.5 billion years ago ( C ) Origin of first cellular life form (III) 20 billion years ago ( D ) Origin of first non-cellular life form (IV) 2 billion years ago, A-II, B-III, C-I, D-IV, A-III, B-II, C-I, D-IV, A-II, B-III, C-IV, D-I, A-III, B-II, C-I, D-IV

MARKS App · Accepted Answer

Big Bang Theory explains the origin of Universe which have been occurred about 20 billion years ago. The origin of Solar system and the earth supposed to have been formed about 4.5 billion years ago. First non-cellular form of life have been originated about 3 billion and first cellular form of life have been originated about 2 billion years ago.

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	Column I		Column II
$(A)$	Origin of the Earth	(I)	3 billion years ago
$(B)$	Origin of the Universe	(II)	4.5 billion years ago
$(C)$	Origin of first cellular life form	(III)	20 billion years ago
$(D)$	Origin of first non-cellular life form	(IV)	2 billion years ago