This packagingmaterial is hard and glossy but grease resistant and brittle at all temperatures

so I think this may be the actual answer if not oops

The correct answer is

(B)  ethylene-vinyl chloride

Explanation:

vinyl chloride. noun. a colourless flammable gaseous unsaturated compound made by the chlorination of ethylene and used as a refrigerant and in the manufacture of PVC; chloroethylene; chloroethene.

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Rigid PVC is hard and is used in the production of trays due to its water proof and gas barrier properties. ... This is commonly called as nylon PA which is tough, grease-resistant, less permeable to gases, and has a moisture permeability.

in   ¨and yet the books¨   by czelaw miloz the tone is positive since it tells us that when we touch a book, it starts to live and the perspective is in the third person and turns once into the first person. in "the rhinoceros" by eugene ionesco the tone is illogical and absurd   and the perspective is in the third person since it is a play.

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