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The Buddha describes the four elements of earth, water, fire, and air in brief.
Catudhātu sutta - Four Elements
At one time, the Blessed One was dwelling in Sāvatthī, in Jeta's Grove, Anāthapiṇḍika's Park...
"Bhikkhus, there are these four elements. What four? The earth element, the water element, the fire element, and the air element. These are the four elements."