Q1. which of these skin cancers is most likely to spread to other parts of the body without early treatment?
a. basal cell carcinoma
b. squamous cell carcinoma
c. melanoma
d. basal cell carcinoma and melanoma
q2. what happens when the keratin- producing cells of the skin die?
a. melanin and keratin are produced
b. an additional dermis layer is formed
c. a waterproof coating is formed
d. melanin is produced