Which statement demonstrates that ultraviolet (uv) rays are electromagnetic waves? a. they require a medium to travel. b. they don't require a medium to travel. c. the particles of the medium through which they travel vibrate perpendicularly to the direction of the wave. d. the particles of the medium through which they travel vibrate parallel to the direction of the wave. e. the particles in the medium through which they travel remain stationary.

You are sitting on the beach and wondering about the properties of mechanical waves. describe them in terms of ocean waves.

The arrival of in the early days of europa’s existence could have formed its ocean. it is likely that the water experienced similar to earth. it is also possible that this water is retained beneath europa’s surface and in its atmosphere due to europa’s . 1.) a. precipitation b. water vapor c. icy debris 2.) a. gravitational compression b. biochemical cycling c. radiogenic heating 3.) a, gravity b. magnetic field c. heat energy for plato

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.