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Omarlate Omarlate
wrote...
Posts: 500
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6 years ago
Plastics are ________.
 
  A) moldable, petroleum-based hydrocarbons
  B) naturally occurring macromolecules
  C) synthetic proteins
  D) unstable and break down easily
  E) assembled by enzymes in cells
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wrote...
6 years ago
A
Omarlate Author
wrote...
6 years ago
Extremely helpful
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