Now we look at the other end of the spectrum: the smallest interval that we have in the Western Classical music tradition. The minor second (also called the "semitone" or "half-step") is the interval between any two adjacent notes in the chromatic scale.
Both A and B, because if you have bad posture you will have weaker bones which can make you get hurt easier plus weaker bones will not be safe especially if you got in a car wreck.
