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Author Question: Fire-retardant fabrics often have nitrogen or zinc atoms incorporated into the fibers of the ... (Read 15 times)

rosent76

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on: Aug 27, 2018
Fire-retardant fabrics often have nitrogen or zinc atoms incorporated into the fibers of the polymers from which the cloth is made.
 
  Indicate whether the statement is true or false

Question 2

________ were introduced into western Europe in the Middle Ages.
 
  A) Waterwheels
  B) Windmills
  C) Automobile engines
  D) Solar panels


miss.ashley

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Reply #1 on: Aug 27, 2018
Answer to Question 1

FALSE

Answer to Question 2

B


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rosent76

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Reply #2 on: Aug 27, 2018
TY


miss.ashley

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Reply #3 on: Aug 27, 2018
You're welcome


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