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PHYSICS CH9 Universe — Science STD 9 — Question

Tamilnadu BoardEnglish MediumSTD 9SciencePHYSICS CH9 Universe1 Mark
MCQ
The Big Bang occurred ______ years ago.
  • A
    13.7 billion
  • B
    15 million
  • C
    15 billion
  • D
    20 million
✓

Answer

The Big Bang occurred 13.7 billion years ago.

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