Which is an example of precipitation. 1snow 2clouds 3natural gases 4organic matter

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

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

Tides that occur during the new and full moons