Oceans

The decrease of oxygen in water is referred to as what?

More Questions from Oceans
How long did it take Columbus to cross the Atlantic?
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Which of these animals depends on the ocean currents in order to move?
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The Bering Strait is named for what Danish-born explorer?
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What is a scientist who studies life in the ocean called?
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What is the scientific family to which sea turtles belong?
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Dissolved salt makes up what percentage of ocean water?
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Which ocean lies between Africa and Australia?
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What ocean lies between Africa and North and South America?
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