Each concept here is mapped to its prerequisites — the ideas you'd need first to understand it — all the way down to four foundations: Space, Time, Energy, Pattern. Click any prerequisite to drill down, or scroll for the chain graph.
External reference — all senses of the word “precipitation met” on Wiktionary. This atlas concept maps to only the slice of meaning relevant to the prerequisite graph.
Precipitation Met refers to water falling from clouds to Earth's surface in forms such as rain, snow, sleet, or hail as part of the hydrological cycle.
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