Volpe's Understanding Evolution 7th Edition by Peter Rosenbaum

تمرين 9

Using a 60 minute clock to compress all of the history of life, approximately when do we see the appearance of humans
A) At 5 minutes before the hour.
B) At 1 minutes before the hour.
C) At 30 seconds before the hour
D) At 3 seconds before the hour
E) At 1 second before the hour.