garcial161 garcial161
  • 21-05-2020
  • Chemistry
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Common thermoplastic polymers such as polystyrene and PVC can be _______ as often as they are reheated. A) hardened B) shortened C) softened D) strengthened

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jognhunt9547
jognhunt9547 jognhunt9547
  • 21-05-2020
The answer is A) hardened
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