A radio galaxy whose lobes are swept back as if forming a tail probably indicates Group of answer choices the galaxy is about to evolve into a spiral. the galaxy is isolated, not part of a cluster. evidence for intergalactic matter. there must be another galaxy nearby. the galaxy is moving towards Earth.

The speed of sound in ice, water, and steam is shown. what best explains the speed of sound in different states of matter? sound travels fastest in ice because energy is easier to transfer when the molecules are close together. sound travels slowest in steam because the sound has to move around the gas molecules that are far apart. sound travels fastest in ice because the temperature of solids is always greater, so the heat transfers the sound energy. sound travels slowest in steam because the pressure is so great the sound cannot travel though the steam particles.