Fog affect the visibility of an area. On a foggy day water condenses on the dust particles close to the ground. This creates fog. This blurs the atmosphere of an area. Pls mark this as the best.
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Tiny water droplets present in atmospher get closer to surface in cold weather and create fog . due to this fog light can not pass easily and not reach observer's eye properly. that's why we can't see properly in foggy day .
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