A bone tumor disrupts the normal structure of osteons replacing the organized rings with this organized a regular mass as a bone how will this affect the ability of a bone to perform its functions

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Long term exposure to waves can cause sunburns and skin cancer.

If your blood becomes too concentrated with iona, what will happen to the red blood cells