Denise touches the surface of a tub of water with her pencil She observes a circular wave that forms where she touches the surface. She says that she formed an electromagnetic wave. Why is she incorrect? Select all that apply because electromagnetic waves can only travel through solids
В
because electromagnetic waves require a medium to travel
C.
because electromagnetic waves only come from the Sun
D
because electromagnetic waves are created using accelerating charges
because electromagnetic waves can only travel in gases
because electromagnetic waves are not created using force on a medium