Traditionally, the index commonly called the ____ combines education, occupation, and income

Why is the hormone oxytocin believed to be important in parent-infant relationships?

a. oxytocin has been linked to a clearly defined set of material bonding behaviors such as affectionate touch and verbalization. b. Oxytocin has been linked to increased physiological arousal in mothers which encourages bonding behaviors. c. Oxytocin has been linked to feeling calm and connected with the infant which encourages bonding behaviors. d. Oxytocin has been linked to increased excitement in mothers which encourages bonding behaviors.

In a study comparing key locations in the westward African migration, researchers found that as BMI increased, so did the prevalence of:

A) sexually transmitted infections (STIs). B) hypertension. C) AIDS. D) cancer.