Gujarati
Hindi
6.Evolution
medium

How old is our universe?

A

$10$ billion year old

B

$20$ billion year old

C

$15$ billion year old

D

$5$ billion year old

Solution

The universe is vast relatively speaking the earth. Itself is almost only a speck. The universe is very old almost $20$ billion years old. Huge dusters of galaxies comprises the universe

Standard 12
Biology

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