They are too small are never in the same place. Electrons are constantly moving in random motion within the electron cloud, making them impossible to follow.
Answer:

Explanation:
Knowing that the formula for average velocity is:

Being said that, we know that the person's displacement is zero because it returns to its starting point

That means 

Wind creat by rain, rain created by water, water created from pee
Answer:
matter
Explanation:
mayter is any thing that hase mass and volune