A Eukaryotic cell contains a nucleus; more than one chromosome and is typically a multicelled organism. Both plant and animal cells are eukaryotic cells, but there are differences between the two.<span> A plant cell has a cell wall while an animal cell does not have a cell wall. A plant cell is a regular shape and an animal cell is an irregular shape. Both plant and animal cells have a nucleus. There are just a few examples of the differences between Eukaryotic and Prokaryotic cells. </span>
Well let's take Sedimentary rock for example, The Law of Superposition which measures the average age of Sedimentary rocks using rocks around it. So you would use that rocks below it are older and that Extrusions and Intrusions are younger than the rocks which are stable.