3) The Electron Transport Chain is part of what process? In which organelle does it take place? 4) Draw a model of the first 2 steps of cellular respiration. A picture may be drawn or a flowchart. Be as thorough as you can. Name both steps and what happens in each step.​

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