Which are properties of an electromagnetic wave? Check all that apply.carries energy only through mattertravels at the speed of lightmade of magnetic fieldsmade of electrical fieldsradiates from a source

Electromagnetic waves travel at the speed of light in a vacuum and consist of changing electric and magnetic fields. They radiate outward from a source, such as a lamp or radio antenna. They do not carry energy only through matter; they can travel through empty space.

AI-written and checked against the verified answer.