What helps fish to use oxygen dissolved in water.
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for respiration and gills uptake oxygen to carry out respiration i.e. breakdown/oxidation of food
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Answer:
Explanation:
It is essential for the survival of fish and other aquatic organisms. Oxygen dissolves in surface water due to the aerating action of winds. Oxygen is also introduced into the water as a byproduct of aquatic plant photosynthesis. When dissolved oxygen becomes too low, fish and other aquatic organisms cannot survive.
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