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Ch. 6 - Biomes Section 6.1: Defining Biomes Biome: a group of ...

Ch. 6 - Biomes Section 6.1: Defining Biomes Biome: a group of ...

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Upwelling- vertical flow <strong>of</strong> cold, nutrient rich water toward the<br />

surface occurs when horizontal currents diverge (flow away from each<br />

other)<br />

Downwelling- surface water sinks, occurs where currents converge<br />

(come together), transports warm water full <strong>of</strong> dissolved gases to the<br />

ocean depths<br />

18

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