What came first the chicken or the egg?

(! ) what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

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

All organisms contribute some water to the water cycle by conducting