BIO120H1 Midterm: midterm 1 study notes

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BIO120H1 Full Course Notes
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BIO120H1 Full Course Notes
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warming air expands, becomes less dense and rises. As air heats up, evaporation quicken because equilibrium water vapour increases (doubling with every 10 degrees rise in temperature) as the air reaches the upper layers of the atmosphere, (10-15km), it spreads north and south toward higher latitudes. this air is then replaced from below by surface-air. the in the upper atmosphere, the rising air cools and expands, and becomes dense enough to go back to the earth"s surface and spread n and s. thus completing a cycle. one hadley cell is formed right o the equator and one left to it. hadley cells drive other secondary cells, such as polar and ferrell cells). hadley cells are between 0 degrees and 30 degrees. Ferrell cells are between 30 and 60 deg. explains why winds go from ne to sw.

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