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Sunscreen
Grades: PS/Pre-K to 12Subjects: Engineering & Design, Education, Child Development & Family Services, Professional Development, Human Anatomy & Physiology and 4 additional..Learn how well differing Sun Protection Factors (SPF) help protect people (and water bottles) from the sun's harmful UV rays.Contributor: DragonflyTV (NSDL Collection)Views: 0Favorites: 0