Full the blanks... A(n)wave travels only through matter.
A(n)wave can travel through empty space or through matteer

This is bout WAVE in SCIENCE please help this is due today thanks.

The energy of a mechanical wave can travel only through matter. The matter through which the wave travels is called the medium (plural, media). The medium in the water wave pictured above is water, a liquid. But the medium of a mechanical wave can be any state of matter, even a solid.

Electromagnetic waves are waves that can travel through a vacuum (empty space). They don't need a medium or matter. They travel through electrical and magnetic fields that are generated by charged particles. Examples of electromagnetic waves include light, microwaves, radio waves, and X-rays.

Explanation:

I did note on this yesterday

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you need to have a picture of the atom that way we can answer it