The theorist who believed that children learn language when they are reinforced by parental attention was

During conception, the point at which chromosomes from the mother and father combine is referred to as

A) differentiation. B) ovulation. C) organogenesis. D) fertilization.

During adolescence, emerging adulthood, and young adulthood, the most common causes of death in developed countries are accidents, homicide, and ____

a. cancer b. cardiovascular disease c. suicide d. infectious diseases