The big bang that produced the universe is thought to have occurred
A. 40 to 50 billion years ago.
B. 12 to 14 billion years ago.
C. 4.6 billion years ago.
D. 4 million years ago.
Answer:B
The big bang that produced the universe is thought to have occurred
A. 40 to 50 billion years ago. B. 12 to 14 billion years ago. C. 4.6 billion years ago. D. 4 million years ago.