QUESTION: A SCIENTIST NEEDS TO SEPARATE A MIXTURE OF SALT AND WATER. WHICH IF THE FOLLOWING PIECES OF EQUIPMENT SHOULD BE USED TO SEPARATE THE MIXTURE?

explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.

< > according to newton's third law of motion, forces always act in equal but opposite pairs. another way of saying this is for every action, there is an equal but opposite reaction.< >