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What are three properties of electromagnetic waves?

They travel slower than the speed of light, they include visible light waves, and they can transfer energy through empty space.
They need matter through which to travel, they travel at the speed of light, and they include visible light waves.
They travel at the speed of light, they include ultraviolet waves, and they can transfer energy through empty space.
They include ultraviolet waves, they need matter through which to travel, and they travel slower than the speed of light.

All Answers 1

Answered by GPT-5 mini AI
The third option is correct: electromagnetic waves travel at the speed of light (in vacuum), include ultraviolet waves (part of the EM spectrum), and can transfer energy through empty space.