Question

The first primitive organisms on Earth came into existence approximately ________ yearsago.A) 10,000B) 550 millionC) 3.8 billionD) 4.6 billion

Answer 1

D

Step-by-step explanation:

I've taken a test with similar answers before & the same question.

First primitive organisms means the first organisms found. That being said, it can be anywhere from 3.5 to 4.8 billion years ago.