What might cause someone's mental map of a place to change

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?

Quiero una redaccion de yo soy medico y que tenga 10 lineas

What way does renewable energy differ from nonrenewable energy?