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Question:

Laser light is generated by electromagnetic radiation or ionizing radiation

Laser light is generated by electromagnetic radiation or ionizing radiation

Answer:

Electromagnetic radiation is everywhere, the eyes can see the light, cell phone signals, Wifi, Bluetooth, etc. are all electromagnetic waves.
Just some marble or tiles may have a trace of ionizing radiation.
Ionizing radiation is very dangerous, and there are no things that can produce ionizing radiation in common items in life.

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