According to Big Bang Theory, the Universe began about __________ billion years ago.

A. 10 – 20

B. 20 – 30
C. 30 – 40
D. 40 – 50
According to Big Bang Theory, the Universe began about __________ billion years ago. | 10 – 20 | CSS, PMS, PPSC, FPSC, KPPSC, SPSC, ISSB and NTS Past Papers | Pakistan's Largest Online Past Papers Database

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