The photograph shows a mixture of nuts and bolts that are made of either steel or aluminum
Which physical property is best used to separate the two types of substances
in the mixture?
A. Magnetic attraction
B. Particle size
C. Particle density
D. Boiling point

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.