LuckyGirl2001 LuckyGirl2001

20-04-2017
Biology

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Help please and can someone explain it me please

Help please and can someone explain it me please class=

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asvpjj7 asvpjj7

20-04-2017

Protein mainly in the form of Keratin makes up 90% of the dry matter in the feathers

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Dramaqueen11 Dramaqueen11

20-04-2017

Protein mainly in form of Keratin makes up 90% of the matter in the feather's.

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