Is there UV light on a cloudy day? How do you know?

While clouds do reduce some of the sun's UV rays, they don't block all of them, as the Skin Cancer Foundation explains. UVA rays can penetrate clouds, and they can also reach below the water's surface. ... Reflective surfaces like snow and ice also intensify UVB rays and their effects on the skin.

Explanation:

I know because g0ogle told me

mountains can affect the climate of nearby lands. in some areas, mountains block rain, so that one side of a mountain range may be rainy and the other side may be a desert. much of airborne moisture falls as rain on the windward side of mountains.

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