What is the main difference between High Density PolyEtyhlene (HDPE) and Low Density PolyEthylene(LDPE)?
A) HDPE has very long chains packed close together; LDPE has long chains that are branched and do not pack together well.
B) One is made from high density ethylene, the other from low density ethylene.
C) HDPE has very long chains packed close together; LDPE has short chains that do not pack together well.
D) HDPE is more useful than LDPE.
E) LDPE is more useful than HDPE.
Answer: A
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