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The most effective way to protect your skin from the sun and prevent skin cancer would be to go to the beach with a.) a sunblock that is waterproof and moisturizes the skin, b.)a beach chair and cold drinks, c.) a wide-brimmed hat and a sunblock with an SPF of 15 or higher, d.) good tan and a white bathing suit?
What is c.) a wide-brimmed hat and a sunblock with an SPF of 15 or higher,