The depletion in organ reserve during middle adulthood is apparent on a daily basis

Late-maturing girls tend to have a worse body image than their early-maturing peers do

Indicate whether this statement is true or false.

__________ affect(s) the chances that an emotionally reactive baby will become a fearful child

A) Heredity B) Birth order C) Child-rearing practices D) Concentration of the stress hormone cortisol