632Every Day ScienceMedium
According to Big Bang Theory, the Universe began about __________ billion years ago.
A30 – 40
B40 – 50
C10 – 20
D20 – 30
Correct answer
C. 10 – 20
Explanation
10 – 20 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.