Thermosetting plastics have in general:

1.	Thermosetting plastics have in general:
A.	molecular chains that slip past one another when the material is heated sufficiently
B.	high strengths and low ductilities
C.	a covalently bonded 3-dimensional network or crosslinked structure
D.	both (A) and (C)
Answer» E.

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Thermosetting plastics have in general:

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