When thermal insulation, such as spun glass or rock wool, is placed beneath the roof of a house, then in cold weather the insulation will: . create heat to warm the house. b. keep the cold from coming through the roof. c. slow the flow of heat from inside the house to the outside. d. stop the flow of heat from inside the house to the outside.

During the apollo moon missions, astronauts were concerned about the effects of newton's third law of motion when: o a. they ejected waste water, because they were concerned that it would push them off course. o b. they reentered earth's atmosphere, because they were carrying heavy moon rocks. o c. they took off from earth, because a large force was required to generate large acceleration. o d. they detected incoming space debris, because the inertia of the debris could damage their ship.