What is/are the function(s) of the scales present on fish?
A
To reduce the weight of the fish.
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B
Prevent rotting and decaying.
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C
To help in swift movement in the water.
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D
To reduce friction.
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Solution
The correct option is B
Prevent rotting and decaying.
The entire body of a fish is covered with waterproof scales which form the exoskeleton of the animal. These scales protect the fish from rotting and decaying.