What type of galaxy Andromeda is??​

Ten students stand in a circle and are told to make a transverse wave. what best describes the motion of the students? each student bumps the shoulder of his or her neighbor. at the exact time, all students take a step to the right. the students skip clockwise, going in a circular motion. one at a time, each student lifts his or her hands up and then down.

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.

What organization and environment is described above?