[BIO2129] - Final Exam Guide - Ultimate 59 pages long Study Guide!

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Solar radiation : radiant energy emitted by the sun, particularly electromagnetic energy at top of atmosphere, maximized at 0 o latitude. As hot air rises, it loses its heat, and its capacity to hold onto water. If the warm air rises over oceans, or over land masses where there is water around, it moves a lot of water into the atmosphere where the air cools off, and creates precipitation. This creates a rich biotic environment, where the rain falls. The water spreads out, and the air column has become cooler in the upper atmosphere, begins to have higher densities, sinks back into the ground. When the air comes back down the water is released, and as it reaches the ground it lacks moisture deserts. ** all this time the water is moving away from the oceans/equator** Differential rotation velocity at different parts of the earth.