Crab and Snail both have a protective covering. Is it made up of the s – InterviewSolution

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1.	Crab and Snail both have a protective covering. Is it made up of the same material?
Answer» No, the protective covering is not made up of same material in crab and snail. The protective covering of crabs is made up of chitin and that of snails is made up of calcium carbonate.

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