A longitudinal wave a) is unlike a sound or a spring

b)is when the substance moves in the same direction as the axis of motion of the wave

c) has light as an example

d) looks just like a wave out in the middle of the ocean

What happens to light waves from a star as the star moves away from earth?

What happens when chlorine reacts with bromine? a. electrons move from the chlorine atoms to the bromine atoms. b. electrons move from the bromine atoms to the chlorine atoms. c. electrons are shared between the chlorine atoms and the bromine atoms. d. electrons become delocalized among the atoms.

Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.