Which three statements about electromagnetic radiation are true?

light is a kind of electromagnetic radiation.
electromagnetic radiation can travel only short distances.
electromagnetic radiation has no mass.
electromagnetic radiation can travel through a vacuum.
all kinds of electromagnetic radiation are invisible.

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Explanation:

Electromagnetic radiation spreads in space. It has a magnetic field and an electric field that generate each other and propagate perpendicularly to each other and in the direction of propagation of energy, thus transporting energy in the form of electromagnetic radiation. Electromagnetic radiation varies with the frequency of the wave. The light visible to human eyes is electromagnetic radiation, just like x-rays, the only difference between these two forms of radiation is in the frequency range that the human eye can see, that is, x-rays have a frequency range that is out of reach of human vision. The waves in the microwave oven are also electromagnetic waves.

In summary, we can say that:

dz nuts.   eeneneneeenenne

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