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The science of rain is fascinating, involving complex processes that begin high in the atmosphere. Rain forms when water vapor condenses into tiny droplets that merge to form clouds. When these droplets become heavy enough, they fall to the Earth as precipitation. The type of rain—whether a light drizzle or a torrential downpour—depends on various factors, including temperature, humidity, and atmospheric pressure. Meteorologists study these patterns to predict rainfall, helping communities prepare for weather events.