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Answer:

Electromagnetic waves are created by a charged particle that generates an electric field. The electric field creates a magnetic field. As the charged particle moves, the electric field and magnetic field keep changing, which causes the wave to move.

Explanation:

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Electromagnetic waves are propagated as electric and magnetic fields at right angles with each other. Electromagnetic waves can travel through space.

What are electromagnetic waves?

The electromagnetic waves are composed of electric and magnetic fields which are inclined at right angles to each other. We must note that  these waves do not require a medium of propagation as they travel through space.

Hence, electromagnetic waves are propagated as electric and magnetic fields at right angles with each other.

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