Is The Ultra Violet Rays Beneficial Or Harmful And Why?​

is the ultra violet rays
beneficial or harmful and why?​

Answer:

Radiation at the longer UV wavelengths of 320-400 nm, called UV-A, plays a helpful and essential role in formation of Vitamin D by the skin, and plays a harmful role in that it causes sunburn on human skin and cataracts in our eyes.

Is The Ultra Violet Rays Beneficial Or Harmful And Why?​

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