Hey this is 4 addi and her bro and Nicky hi

The influenza virus cause the flu, but not other diseases. why?

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

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.