Explain why each one is correct or incorrect, please I will put BRAINLIEST (look at the photo)

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

Genetic orders can result when sister chromatids fail to separate properly during which phase is this problem most likely to occur

Can someone give me the answers to this?