The answer is B. Melanoma
Melanocytes cells create a brown pigment called melanin and actually melanin protect deeper layer of the sins from the harmful effect of the sun
But for some people, prolonged exposure to the sun make melanocytes create an uncontrollable amount of pigment and create cancer
C, this is due to the fact the question is asking about the proper use of technology and use behind the wheel is clearly poor usage of tech.
the answer to your question should be 4.Allergens
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