Question

define UV rays!!!!!!​

Answer 1

Answer:

Invisible rays that are part of the energy that comes from the sun. Ultraviolet radiation that reaches the Earth's surface is made up of two types of rays, called UVA and UVB. Ultraviolet radiation also comes from sun lamps and tanning beds.

Explanation:

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Answer 2

Answer:

UV radiation is present in sunlight, and constitutes about 10% of the total electromagnetic radiation output from the Sun.

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