I need two concepts that start with a c for the acronym adolescence

Melanocytes and keratinocytes work together in protecting the skin from uv damage when keratinocytes a. provide the melanocyte with a protective shield against abrasion b. maintain the appropriate temperature so the product of the melanocyte will not denature c. maintain the appropriate ph in order for the melanocyte to synthesize melanin granules d. accumulate the melanin granules on their superficial portion, forming a uv-blocking pigment layer

What kind of wound occurred when the skin scrapes against a hard surface and tiny blood vessels break in the outer layer of skin

True or false: determining the source and motive of an ad for a health product will you decide whether the ad is a reliable source of health information.