Answer:A proportion between two quantities, each of which is the product of two or more, those of the first set being in their order proportional to those of the other
Answer:A compound proportion is a way to calculate changes in a quantity when multiple factors are involved and they all change proportionally. It's like a chain reaction of proportions.
Answer:The force that occurs when one object rubs against another object is D. MAGNETIC
B. FRICTIONFriction is the force that resists motion – it slows down or altogether stops motion. Friction is caused when two objects rub against each other.