The most common political units in today's world are: a. landmasses with out borders b. sovereign nations-statesc. power and authority d. military dictatorships

How many square miles is the big island of hawaii

Air masses are characterized by various properties including temperature humidity air pressure and wind speed. which of the following air masses is associated with low relative humidity and high air temperature ?

Me plzzz what is the ratio of water than falls on land as compared to the amount that falls onto the oceans? what role do clouds play in regulating earth’s energy balance? me plzzz