According to the droppler effect, what appears to happen when a light source moves further away from an observer? (20pts) a. the electromagnetic waves appear more red in color. b. the waves compress and the frequency appears to increase. c. the electromagnetic waves appear more blue in color. d. the waves lengthen and frequency appears to increase.

This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.