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foggy pictures 2 (45 photos)
by Mike Gabbitas Silver Star Critiquer/Silver Note Writer [C:  W: 0 N: 26] (78)

Fog is a cloud in contact with the ground. It occurs when moisture from the surface of the Earth evaporates; as this evaporated moisture moves upward, it cools and condenses into the familiar phenomenon of fog. Fog differs from cloud only in that fog touches the surface of the Earth, while clouds do not. It can form in a number of ways, depending on how the cooling that caused the condensation occurred:

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