Some of the world's deserts are the result of the rain shadow effect of mountain ranges.

Question

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When prevailing winds carrying moisture from the ocean encounter a mountain range, they are forced to rise and cool, causing the moisture to condense and fall on the windward side of the range. By the time the winds reach the leeward side of the range, they are dry and depleted of moisture, resulting in arid conditions and the formation of deserts. This phenomenon is known as the rain shadow effect.

Some of the World's Deserts Are the Result of the Rain