According to the theory of plate tectonics, which forces cause the movement of plates in the earth's crust?

a. magnetism and solar radiation
b. earthquakes and volcanic eruptions
c. convection and the moons gravitational pull
d. convection and gravity

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.

How would a small bar magnet be oriented when placed at position x?

An architect plans to use solar energy to heat the next house he designs. what principle of absorption and infrared energy can be applied to the design of the new house? how could she apply to those principals?