Which statement correctly explains why hair appears the way it does?
A. Kinky hair has flat, ribbonlike hair shafts.
B. Perfectly round hair shafts result in wavy hair.
C. Gray hair is the result of hormonal action altering the chemical composition of melanin.
D. Air bubbles in the hair shaft cause straight hair.
Answer:A
Which statement correctly explains why hair appears the way it does?
A. Kinky hair has flat, ribbonlike hair shafts. B. Perfectly round hair shafts result in wavy hair. C. Gray hair is the result of hormonal action altering the chemical composition of melanin. D. Air bubbles in the hair shaft cause straight hair.