The principle of original continuity says that a. in a sequence of sedimentary beds, the oldest is on the bottom. b. rock containing inclusions is younger than the inclusions. c. sedimentary layers began as continuous expanses of sediment. d. the feature doing the cutting is younger than the feature it cuts.

The map above shows where people live in the united states. areas that are darker blue are areas where people live close together. areas that are lighter colors are places where people live farther apart. as a geographer, if you were to study where people live and why they choose to live in these places, which of the six essential elements of geography would you be using?