Which body system works with the excretory system to regulate fluid levels in the body? A. Nervous system
B. Immune system
C. Reproductive system

Answer choices? if there is any

Amagnetic field "does not" interact with stationary electric charges. so, a.hope my answer you : )

. we do not care the other details; the average velocity is only concerned with the  displacement rather than the  distance traveled. displacement is the change in position, or the "straight-line vector from the initial position to final position".

Then why would you even say anything ^