Question

what is uv -b and uv-c

Answer 1

Definition of UVB. : radiation that is in the region of the ultraviolet spectrum which extends from about 280 to 320 nm in wavelength and that is primarily responsible for sunburn, aging of the skin, and the development of skin cancer.

Definition of UVC . : UVC is the most dangerous type of ultraviolet light but cannot penetrate earth's protective ozone layer. Therefore, it poses no threat to human, animal or plant life on earth.

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Answer 2

Answer:

Explanation:

Level of harmfullness

Uvb>uvc

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