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Free Online Trivia Question.
Category: Science & Technology-->Physics

A sunburn is caused by overexposure to what kind of ray?

The answer is: Ultraviolet (UV)

UV light is found in sunlight. It can cause chemical reactions, and causes many substances to glow or fluoresce.
Most people are aware of the effects of UV through the painful condition of sunburn, but the UV spectrum has many other effects, both beneficial and damaging, on human health.

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