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  • 25-10-2016
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how are bones and chitin the same and different?

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angelinaaaaa angelinaaaaa
  • 25-10-2016
what is chitten in here and what grade are you in
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bobknocker10
bobknocker10 bobknocker10
  • 26-10-2016
Bones are largely made up of calcium phosphate and Chitin is a complex polysaccharide :)
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