Continental shields are
coastal mountain ranges
large, inland basins
lines of volcanic islands that parallel a continent’s coast
areas of crust added to a continent by accretion
areas of exposed, ancient crystalline rocks

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?