Big Bang is supposed to have happened how many years ago?
(a) 4.5 billion years
(b) 7 billion years
(c) 13.8 billion years
(d) 20 billion years
Answers
Answered by
2
Answer:
C) 13.8 billion years ago.
Answered by
1
Answer:
(c) 13.8 billion years
Explanation:
Because Scientist determine the age of the universe using two different methods: by studying the oldest objects within the universe and measuring how fast it is expanding.
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