The United States Geological Survey
The law of superposition is a statement that says rocks on the bottom are always older than the top and the top is always younger than the one on the bottom... It is used to tell which rock layer or fossils are older/younger..
Hope that helps..Im not very good at explaining things..
Answer:
The easiest way to differentiate them is to remember that the site of an area is its exact location and the situation describes its surrounding areas and physical features. Favorable features of site and situation will ensure that the city will be able to thrive and survive.
