Answer:
on my view its d cause mass have different definitions
The distance is how far he walks. It doesn't matter where he starts or ends. That's 1 mile, every day. Displacement is the length of a straight line from the start point to the end point. The route along the way doesn't matter. That's zero every day ... Ike starts and ends at his front porch.
It is a conduction pathway for tactile and engine nerve motivation. It also helps with our brain stem.
Answer:
I have sub to your channel :)
They all compact like are close together