Question

1. match each phrase with \dry hair and scalp\ (d) or \oily hair and scalp\ (o) based on which condition it relates to. excessive shampooing and changes in climate can aggravate this hair. overactive sebaceous glands are responsible for this condition. for this hair, cosmetologists should recommend a shampoo that returns the scalp to its natural ph. the lack of sebum can cause this kind of hair to look dull and lifeless.

Explanation:

• Lack of sebum causes dull, lifeless hair which is characteristic of dry hair. So "The lack of sebum can cause this kind of hair to look dull and lifeless." relates to "dry hair and scalp" (D).
• Natural pH - Hair with a disrupted natural pH can be a sign of dryness. So "natural pH" relates to "dry hair and scalp" (D).
• For this hair, cosmetologists should recommend a shampoo that returns the scalp to its natural state - This is advice for dry hair, so it relates to "dry hair and scalp" (D).
• Overactive sebaceous glands produce more oil, which is related to oily hair. So "Overactive sebaceous glands are responsible for this condition." relates to "oily hair and scalp" (O).
• Excessive shampooing and climate changes can worsen dry - hair conditions. So "Excessive shampooing and changes in climate can aggravate this hair." relates to "dry hair and scalp" (D).

Answer:

• The lack of sebum can cause this kind of hair to look dull and lifeless.: D
• natural pH: D
• For this hair, cosmetologists should recommend a shampoo that returns the scalp to its natural state: D
• Overactive sebaceous glands are responsible for this condition.: O
• Excessive shampooing and changes in climate can aggravate this hair.: D