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Author Question: Amorphous polymers tend to have great strength and rigidity while crystalline polymers tend to have ... (Read 459 times)

ETearle

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on: Aug 27, 2018
Amorphous polymers tend to have great strength and rigidity while crystalline polymers tend to have greater elasticity.
 
  Indicate whether the statement is true or false

Question 2

Perhaps the first mechanical device used to convert energy into a more useful form was the
 
  A) steam engine.
  B) waterwheel.
  C) windmill.
  D) nuclear reactor.


raenoj

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

FALSE

Answer to Question 2

B


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