About how many years ago did the ocean form on earth?
A4500 Million year
B4000 Million year
C5000 Million year
D5500 Million year
A4500 Million year
B4000 Million year
C5000 Million year
D5500 Million year
Related Questions:
Consider the following statements about seismic waves:
They help in understanding the Earth's internal layering.
They are considered a direct source of information about the Earth’s interior.