I. high environmental temperature
II. poor lighting
III. comb size
A. I and II only
B. I and III only
C. II and III only
D. I,II and III
Correct Answer: Option A
A. I and II only
I. high environmental temperature
II. poor lighting
III. comb size
A. I and II only
B. I and III only
C. II and III only
D. I,II and III
Correct Answer: Option A
A. I and II only
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