Which of the following can improve hearing for those with a sensorineural loss by bypassing the hair cells and directly stimulating the auditory nerve?

Clark is trying to cut back his consumption of caffeine

Within a couple of days of stopping drinking caffeine entirely, he experiences a headache and feels extremely fatigued. Clark is experiencing _____. Fill in the blank with correct word

Peter is sitting on the floor playing when he waves to his daddy

and says "Go bye­bye." He then calls to his cat, "Here Kitty," and later asks his mother for a cookie by saying, "Want cookie." Peter is exhibiting a. cooing. b. telegraphic speech. c. the single-word stage. d. babbling.