I would personally say a Controlled Variable because you are purposefully not spraying the other arm.
Rise, increase, toward, away from
i think those are your answers if u want help figuring out where to put the arrows lmk
(K+ + MnO4- )+(K+ +Cl- )
This would be a one to one ratio as the charges of each component are equal
Answer:
its b beacuse different things have different mass
