Answer:
D. demand; increased
Explanation:
Demand is how much people want it.
I think it should be D as momentum is the product of mass and velocity...
Relative motion can best be defined as B<span> the motion of one object as it appears to another object.
An example is when you are in a car the car has the actual motion because it is the one moving but you are also moving because of relative motion.</span>
I’m gonna have to say “Ocean waves” as the answer