About how long ago was earth formed

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6.Evolution

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About how long ago was the earth formed

A

$4.5$ billion years ago

B

$10$ billion years ago

C

$3.0$ billion years ago

D

$20$ billion years ago

Solution

(a)Earth came into existence about $4.5$ billion years ago from a large spinning cloud of gas and dust

Standard 12

Biology

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(AIPMT-2007)