Polyethylene is produced from
a. the polymerization of ethylene.
b. polymers that are characterized by a high tenacity and a high ratio of length to diameter (several hundred to one). They differ widely in form, flexibility, durability, and porosity.
c. from the remains of a reaction where the natural binding agent lignin is removed from wood, serves as the primary structural component of the cell walls in plants, and is generally regarded as nature's most important polymer.
d. None of these
A
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Which hospitals provide services to children in communities that do not have specialty children's hospitals
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