News
Relative dating puts geologic events in chronological ... if an unidentified fossil is found in the same rock layer as an index fossil, the two species must have existed during the same period ...
Relative dating puts geologic events in chronological ... if an unidentified fossil is found in the same rock layer as an index fossil, the two species must have existed during the same period ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback