Many scientists agree that the universe is about years old.
-30 billion
-1 billion
-13 billion

Complete the possible outcomes for each generation in the pedigree chartaa aa aa

How does a lytic infection differ from a lysogenic infection?

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