Alison and her dad are going on a hike. How can they best protect themselves from sun exposure?

Protective clothing, such as long sleeves, pants, and a wide-brimmed hat, helps block sunlight from reaching the skin. Short sleeves and shorts leave more skin exposed, and a minimal-SPF sunscreen offers less protection. Hiking in the middle of the day is also a poor choice because sunlight is often strongest then. The best answer is D, by wearing protective clothing.

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