can someone explain what absolute dating is in like 3 sentences without it being too professional or too simple and not copied and pasted (SCIENCE TERM)

Which of these is true for bacteria because they are prokaryotic cells? a. they can engulf body cells in order to make memory cells. b. they must invade viruses in order to reproduce. c. they are much larger than eukaryotic body cells. d. they can reproduce on their own outside of other cells.