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Although you get wet while swimming, a tough protein within the skin prevents it from soaking up moisture like a sponge. This substance is: A) carotene B) hemaglobin C) keratin D) collagen

2 Answers

2 votes

Answer:

  • C: Keratin
  • On my Edg 2020, it's D: Keratin.

Explanation: Correct on Edg 2020.

User Dawid Rutkowski
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1 vote

The answer is C) keratin

User Risord
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