If we compress the entire history of the universe into one year, life on Earth appeared
A) in early February
B) in early September
C) in late December
D) in late September

Question

Quizplus · Accepted Answer

If the universe's history is compressed into one year, life on Earth appeared in late September, as Earth formed around 4.5 billion years ago and life began approximately 3.5 billion years ago.

If We Compress the Entire History of the Universe into One