Nguyen's teacher gives him three rocks. Nguyen takes a photograph of each and attaches each photo in a data table in his lab manual. Rock Х Y N Photograph Do you think these three rocks will have similar properties to each other? Or will they be different? Write down your predictions.

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home.what is 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