Question

What was the time frame?

500 Million Years Ago

900 Million Years Ago

650 Million Years Ago

4.6 to 4 Billion Years Ago

Answer 1

If you are referring to the Precambrian time, the answer is 500 Million Years Ago.

Step-by-step explanation:

Precambrian time is the time period that started with the formation of Earth and ended about 500 million years ago.