Life probably did not originate on the land surface because
A) impacts would have destroyed any life that appeared
B) water was not plentiful on land
C) there was no ozone layer to shield out harmful UV rays
D) organic materials were not present on the land

Question

Quizplus · Accepted Answer

The ozone layer is important for shielding out harmful UV rays, which could damage or kill early life forms. Without this protection, life would have been unlikely to survive on land.

Life Probably Did Not Originate on the Land Surface Because