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The Big Bang Theory States that the universe began with a gigantic explosion a.)4.4 billion years ago b.)13-15 bibllion years ago c.)50 billion years ago d.)100 billion years ago

2 Answers

6 votes
The answer should be B
User Ade Stringer
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The big bang theory states that the universe began with a gigantic explosion 10 to 20 billion years ago.
User Joanwolk
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