Beard hairs are coarse and normally ________ in cross-section.
A) Ribbon-like
B) Oval
C) Triangular
D) Round
Correct Answer:
Verified
Q14: What physical properties are used most often
Q15: A criminalist is attempting to find the
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
Q20: What is refraction? How does the refractive
Q21: A regenerated fiber can be derived from:
A)Polyester.
B)Cellulose.
C)Rayon.
D)Acetate.
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.
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