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Author Question: A natural protein fiber that is water repellent and a good insulator is A) angora. B) coir. C) ... (Read 70 times)

Haya94

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on: Sep 11, 2018
A natural protein fiber that is water repellent and a good insulator is
 
  A) angora. B) coir. C) camel's hair. D) abaca. E) fibroin.

Question 2

To which fiber aspects does wool owe its resiliency?
 
  A) Its low degree of orientation and polymerization
  B) Its crimp and scale structure
  C) Its staple form and convolutions
  D) Its crimp and spiral helix molecular structure
  E) Both C and D are correct.


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cici

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Reply #1 on: Sep 11, 2018
Answer to Question 1

C

Answer to Question 2

D


Haya94

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Reply 2 on: Sep 11, 2018
Gracias!

sultana.d

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Reply 3 on: Yesterday
Excellent

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