How was the evolution of plant and animal eukaryotic cells from prokaryotic cells.

Ascientist is studying muscle twitches in chicken quadriceps. to activate the muscle, he needs to provide stimulus to the

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

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