What do you mean by dead zones
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Dead zones are low-oxygen, or hypoxic, areas in the world's oceans and lakes. That is why these areas are called dead zones. Dead zones occur because of a process called eutrophication, which happens when a body of water gets too many nutrients, such as phosphorus and nitrogen.
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Dead zones are low-oxygen, or hypoxic, areas in the world's oceans and lakes. ... That is why these areas are called dead zones. Dead zones occur because of a process called eutrophication, which happens when a body of water gets too many nutrients, such as phosphorus and nitrogen.
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