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The Big Bang is now accepted to have taken place how many billion years ago?
A15.6
B12.5
C13.7
D14.6
Answer & Solution
Correct answer: C. 13.7
1. All matter was a tiny ball of infinite density.
2. The bang was 13.7 billion years ago.
3. The first atom formed within three minutes.
_Source: NCERT Class 11 Fundamentals of Physical Geography, Chapter 2, The Origin and Evolution of the Earth._
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