If blood is in short supply which blood type would be the most Beneficial to have on hand if someone needed a blood transfusion?

O-

What is the relationship between absorbance of light and the rate of photosynthesis?

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

Which is one example of a phenotypic change that is not genetic