A) 4,500 million years ago
B) 3,600 million years ago
C) between 1,600-2,600 million years ago
D) 2.5 million years ago
Correct Answer: A
Solution :
Origin of earth is about 4.5 billion (4500 million year) year ago. At the initial stage, earth was just a molten mass at an excessively high temperature.You need to login to perform this action.
You will be redirected in
3 sec