Mass doesn't change, no matter where you take it.
Your first impression of ' 0 ' is totally correct.
Whatever hunts the wolfs will become famished and have a population decline while whatever the wolf hunts will have a population growth since there are less predators
Answer:
True
Explanation:
East, up, and left all define as a direction.
kinetic energy is Movement energy
think of it like the Xbox Kinect
