Longitude is the measurement east or west of the prime meridian. (Imaginary lines that run around the Earth vertically. up/down.)
Answer : scientists determine the absolute age of a rock in millions of years before present rather than just the age of the rock relative to the rock units around it. This information helps geologists develop more precise geological history models for the rocks and regions they study.
Explanation:
I think watermark because it has to do with a body of water
I believe the answer that it has too much water
