What is the term for the flow of air in a north and south direction, which is caused by a difference in solar energy between the poles and the equator? A. Zonal flow
B. Meridional flow
C. Kelvin waves
D. Rossby waves

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?

An enormous wave generated by an earthquake beneath the seafloor is known as a

The earth rotates on its axis and revolves around the sun every