Answer:
Absolute dating, you can determine its age in numbers, but Relative dating, you just determine which one is older or younger than the other
Explanation: Geologist determine absolute dating by using the radioactive isotopes, by knows its half life age, but Relative dating Geologist determine which one is younger by using the logical thinking, For example, the upper layer of rocks is the newer layer unless it is folded, according to superposition of sedimentary rocks. and so on.