Who first identified nucleic acids and where were they discovered

Why do bacteria thrive even in hostile environments

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

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots