a light year is the distance that light travels in one year. if the velocity of light in a vacuum is 3.0 x 10^5 km/s, find the length of one travel year in km

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

Why are people not able to skip a dive to the deepest part of the ocean

Energy defines the different "states" of matter. in no more than 3 sentences, describe the amount of kinetic energy that each of the 3 states of matter possesses and relate that to the atom/molecular motion of each "state".