College students often experience decreased melatonin and difficulty falling asleep as a result of Group of answer choices 1. living in a noisy residence hall. 2. exercising in the afternoon or evening too much screen time after dark. 3. eating a snack in the evening.

Which of the following is a true statement? a. the male sex hormone is called estrogen. b. the female sex hormone is called testosterone. c. both sexes manufacture some amount of the sex hormone associated with the opposite sex. d. only males secrete testosterone and only females secrete estrogen

At what age does trust usually begin to develop? a. 25 weeks b. 20 weeks c. 15 weeks d. 10 weeks

Which characteristic do healthy families have in common? a. having above average household income b. ignoring one another’s happiness c. demonstrating love for oneself d. communicating with one another