Origin of earth dates back to

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6.Evolution

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Origin of earth dates back to

A

$10,000-15,000$ million years ago

B

$4000-4600$ million years ago

C

$500-1000$ million years ago

D

$2000-3000$ million years ago

Solution

Origin of universe = $20\; billion$ years ago
Origin of earth = $4.5\; billion$ years ago

Standard 12

Biology

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