Answer:
The answer is A precipitation reaction.
Answer:
A vector quantity has a direction and a magnitude, while a scalar has only a magnitude. You can tell if a quantity is a vector by whether or not it has a direction associated with it.
Explanation:
Example: Speed is a scalar quantity, but velocity is a vector that specifies both a direction as well as a magnitude.
The answer is An object is in motion if it changes position relative to a reference point. You assume that the reference point is stationary, or not moving.
