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iogann1982 [59]
3 years ago
6

These are four types of feathers found in birds. The structure of these feathers is most likely composed of...

Biology
2 answers:
goldfiish [28.3K]3 years ago
8 0
It would be C because hair and feathers and what not are made from the protein keratin.
EastWind [94]3 years ago
3 0
It would be C. Protein

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