Adolescents' self-reported rates of risk behavior are correlated with the rates of risk behavior they report for their friends. what can we conclude from this?

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

The image below shows a weather service map. which details best describe this map? check all that apply

Which number represents a basic ph, 4 or 9? numerical answers expected! answer for blank 1: i'll give