In the 1800s, a german prince designed a hand-cranked machine to lift water from a
stream to the kitchen window. the machine required 200 n of effort force to lift
980 n of water: what is the mechanical advantage of the prince's machine?

Like a key in a lock, the shape of the. must bind with the. of the recieving neuron

Which of the following statements is true about women and minorities in early psychology? a. in the early 20th century, numerous graduate schools recruited women and minorities to study psychology. b. opportunities in higher education were limited for women and minorities in the early 20th century due to discrimination. c. despite some obstacles, there were numerous employment opportunities for women and minorities. d. women and minorities were often selected to do academic research in an effort to make the field more diverse.

Phase changes are chemical changes. true or false