Hey y'all can you help me with a biology question, would really appreciate it :)

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asked Sep 28, 2019 184k views

1 Answer

Lanxion · Answer 1 · 2019-10-02T21:24:51+0000

B. Chitin- its a hard and tough substance that occurs widely in nature, particularly in the shells (exoskeletons) of arthropods such as crabs.