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.
Answer:A
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.