Which of these is larger than a solar system, but smaller than the universe?

What if? if the temperature near the cliff suddenly falls to 0°c, reducing the speed of sound to 331 m/s, what would the initial speed of the rock have to be (in m/s) for the soccer player to hear the sound of the splash 2.90 s after kicking the rock?

The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f

Need this now! do pilots live long