What does an isobaric map of surface air pressure portray? Contrast pressures over your continent for January and July. Construct a simple diagram of Earth’s general circulation; begin by labelling...

What does an isobaric map of surface air pressure portray? Contrast pressures over your continent for January and July.

Construct a simple diagram of Earth’s general circulation; begin by labelling the four principal pressure belts or zones, and then add arrows between these pressure systems to denote the three principal wind systems.