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Author Question: All of the following statements about biodegradable polymers are true EXCEPT A) some can ... (Read 143 times)

go.lag

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All of the following statements about biodegradable polymers are true EXCEPT
 
  A) some can biodegrade by composting.
  B) the most sustainable approach is to use renewable resources, especially non-food crops, as a monomer source.
  C) their glass transition temperatures are very high.
  D) many require microorganisms to degrade them.

Question 2

Quaternary salts with two long carbon chains and two smaller chains on the nitrogen are used as
 
  A) bleaches.
  B) analgesics.
  C) fabric softeners.
  D) weed killers.



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efwsefaw

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Answer to Question 1

A

Answer to Question 2

C




go.lag

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Reply 2 on: Aug 27, 2018
Thanks for the timely response, appreciate it


amit

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Reply 3 on: Yesterday
Excellent

 

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