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Warm surface waters get depleted of nutrients and carbon dioxide, but they enrich again as they travel through waters in the conveyor belt. The base of the world’s food chain depends on the cool, nutrient-rich waters that support algae and seaweed.
A. saline
B. deep
C. freshwater
D. shallow
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Warm surface waters get depleted of nutrients and carbon dioxide, but they enrich again as they trav...
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