The answer is C is b/c sun exposure is completely natural unlike the followin answers.
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Withdrawal is also known as detoxification or detox. It's when you cut out, or cut back, on using alcohol or other drugs. You may have developed a physical or psychological dependence on a drug, or both.
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The 1950s were marked by the emergence of a distinct teen culture. Seeking to distance themselves from the culture of their parents, teenagers turned to rock and roll music and youth-oriented television programs and movies—all packaged for them through new marketing strategies targeting their demographic.