I am having trouble with writing a 2 paragraph summary about this vidio can someone help me (this si the vidio )Picture of the Big Bang (a. k.a. Oldest Light in the Universe)

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.