The most important factor in children to build a strong sense of self-efficacy is to

a. encourage them to do well in school.
b. show them a lot of affection during infancy.
c. increase their social interactions among peers at an early age.
d. be a loving, but firm disciplinarian.

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