Which parts of the ear vibrate when hearing sound?
i auditory nerves
ii ear drums
iii ear bones
i and ii
i and iii
ii and iii
i, ll and iii

How will technology impact medicine in the future?

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only