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
Some people are allergic to cats dead skin or fur or saliva for some people and even it urine can make someone have an allergic reaction.
Hope this helps.
2 feet trust me person I don't know
Depressants slow (depress) the nervous system which slows the brain and body reactions
