Oceans

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

More Questions from Oceans
What type of ocean animal depends on the movement of water to get food?
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Which of the following body parts does the bowhead whale not have?
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What does wind cause on the surface of the ocean?
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All of Brazil's river systems drain into which ocean?
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What is a high place from which rivers flow in all directions?
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The Great Barrier Reef lies just off what continent?
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Which U.S. State is located closest to the Atlantic Ocean?
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What ocean is off the east coast of the United States?
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