Which of the following statements about the societal costs of tobacco use is true?

Which is a contraceptive method that is classified as hormonal birth control?

Which of the following is an important function of child-directed speech? (a) it captures the infant’s attention and maintains communication. (b) it reduces the occurrence of infantile amnesia for the earliest memories of infancy. (c) it reduces the need for reciprocal interaction between caregivers and children. (d) it assists in prolonging rem sleep in infants.

An _ exposure is a repeated or prolonged exposure(over months or years) that may bring about slowly developing symptoms.