Why breathing rate of aquatic animals is faster than humans ?
(A)They have gills.
(B)Dissolved oxygen in water is lesser than in air.
(C)They have low metabolism rate.
(D)Both (B) and (C).
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Breathing rate of aquatic animals is faster than humans..because of (A)-They have gills...please mark me as brainliest
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ans is option D) both B and C :)
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