Please help me with this When scientists test one variable at a time and hold all other variables the same, this is called a(n) . A. controlled experiment B. independent variable C. dependent variable D. control group

Imagine ? person stepping on a pin and pulling his or her foot way look at the réfléchir arc of the scenarios below

An organism has the following traits multicellular cant photosynthesize has a skull. wht kingdom does this organism most likely belong too?

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