Answer:
The rate at which velocity changes with respect to a change in time is called. acceleration.
Explanation:
Rain fall which is called run off
Answer:
According to studies, the milky way is approximately, "170,000–200,000 light-years (52–61 kpc) in diameter and, on average, approximately 1,000 ly (0.3 kpc) thick."
With that being said, it is safe to say that the dimensions are somewhere around 100,000 by 1,000
The answer is gravity. I hope this helps.