The first primitive organisms on Earth came into existence approximately ________ years ago.
A)10,000
B)550 million
C)3.8 billion
D)4.6 billion

Question

Quizplus · Accepted Answer

The oldest known fossils are dated to around 3.8 billion years old, suggesting the first primitive organisms came into existence around this time. Choices A, B, and D are not accurate in terms of the timeline of the first primitive organisms.

The First Primitive Organisms on Earth Came into Existence Approximately