If we model the history of Earth as a single day,at what time would the first primitive forms of microorganisms appear?
A) 5:00 A.M.
B) 9:00 A.M.
C) 12:00 noon
D) 3:00 P.M.

Question

Quizplus · Accepted Answer

The first primitive forms of microorganisms are believed to have appeared around 3.5 billion years ago. If we model the history of Earth as a single day, with the formation of the planet occurring at midnight, then 3.5 billion years ago would correspond to around 5:00 A.M.

If We Model the History of Earth as a Single