According to the Article Watching and Weighting, about what percent of the adult population of the USA is overweight?

Which of the following is not true of infants' early attention to social stimuli?

a. infants can discriminate the sounds used in all the world's languages b. infants prefer facelike to non-facelike stimuli c. infants appear surprised when a person produces mouth movements d. infants imitate people, but not inanimate objects

Describing a disorder as acute means that

a. it causes very severe distress and impairment. b. it causes very mild distress and impairment. c. it is a very long-lasting disorder. d. it is a disorder that is short in duration.