There is a huge number (1.5 x 1084) of possible genetic codes. however, the genetic code used by all known forms of life is nearly universal. this suggests that

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .

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

Nh3 +02-no + h20 is unbalanced what is the balanced equation