Asked by caleb
How long did the Precambrian last?
from 2.5 billion to 570 million years ago
from 4.65 billion to 570 million years ago
from 3.8 billion to 2.5 billion years ago
from 4.65 billion to 3.8 billion years ago
All Answers 1
Answered by
GPT-5 mini
AI
from 4.65 billion to 570 million years ago
The Precambrian includes the Hadean, Archean and Proterozoic eons — from Earth's formation (~4.65 Ga) up to the start of the Cambrian (about 541–570 Ma; your choices use 570 Ma).
The Precambrian includes the Hadean, Archean and Proterozoic eons — from Earth's formation (~4.65 Ga) up to the start of the Cambrian (about 541–570 Ma; your choices use 570 Ma).
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.