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Both the northern and southern hemisphere have [1] vertical circulation cells.

What is a drainage basin? (choose the best answer)

Global warming increases evaporation of surface waters which in turn can lead to increased global cloud formation.  This is an example of a ________________.

Hurricanes in the North Atlantic Ocean initially go from East to West due to the Trade Winds. Why do they then turn Northward?

Cold fronts are often associated with thunderstorms and severe weather because_______________________.

Convection is a heat energy transfer mechanism that results from _____________.

Warm and blue cloudless sky is typically associated with ____________________. 

Flash floods are characterized by [1] moving water that often begins [2] a large rain storm in Zone [3] because this zone typically has [4] valleys and little place for the water to go but down. However, where the slope of the stream is [5] and the valley is [6], the velocity of the water is [7] because it is able to spread out and flooding often occurs after the storm.

What two factors are used for basic classification of global climate zones? 

A 100-year flood occurs __________________.