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✅ The verified answer to this question is available below. Our community-reviewed solutions help you understand the material better.
Select a true statement from the options below (there may be more than one correct answer).
Polystyrene has a higher Tg than polyethylene.
Amorphous polymers do not exhibit a melting temperature.
The Tg of poly(methyl methacrylate) (PMMA), which is typically used to fabricate shatter-proof screens, is lower than room temperature.
Molecular weight of the polymer does not affect its Tg.
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