The second round of PMAT- The final outcome producing sex cells

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

Which of the following best describes the purpose of technology?

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