A regenerated fiber can be derived from:
A) Polyester.
B) Cellulose.
C) Rayon.
D) Acetate.
Correct Answer:
Verified
Q16: What two models do scientists use to
Q17: A human hair in cross-section appeared flat
Q18: A cast of a hair surface can
Q19: Beard hairs are coarse and normally _
Q20: What is refraction? How does the refractive
Q22: If a hair does not have a
Q23: The presence of sheath cells on hair
Q24: Before the 20th century, all fibers were:
A)Natural.
B)Regenerated.
C)Synthetic.
D)Derived.
Q25: Which would involve determining the refractive index
Q26: When collecting fiber evidence, great care should
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