Which of the following are parts of the earth's interior? (4 points)

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

What best describes emerging scientific ideas

What will happen if two of the base pairs of the stand of the dna are switched