What is an element? carbon dioxide, hurdrogen, water, or air

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?

Name two factors that, "power of magnetic field " of earth.

Which of the following geographic terms could be applied to the countries of central america? a. isthmus b. canal c. peninsula d. island