A. 4.14 billion years
B. 4.64 billion years
C. 4.54 billion years
D. 4.34 billion years
Submitted by: Kashif Ashraf
Correct Answer: 4.54 billion years ✔
Last Updated: June 17, 2018
A. 4.14 billion years
B. 4.64 billion years
C. 4.54 billion years
D. 4.34 billion years
Submitted by: Kashif Ashraf
Correct Answer: 4.54 billion years ✔
Last Updated: June 17, 2018