The study of child development theories can assist the early childhood professional in finding ways to address children's behavior. A teacher in a child care center notices that one of her students is extremely withdrawn and isolated from her peers. The child actually avoids other children and virtually never speaks. Describe specific strategies that two of the theorists would recommend to solve this classroom problem.

When lifting, where should you bend?

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

How could you find out if that advice is based in scientific evidence?