Weathering refers specifically to the physical (mechanical) processes that break down rocks and doesn't include the chemical processes that breakdown rocks.

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Weathering includes both physical (mechanical) and chemical processes that break down rocks. Physical weathering includes processes like freeze-thaw cycles, abrasion, and exfoliation, while chemical weathering includes processes like hydrolysis and oxidation.

Weathering Refers Specifically to the Physical (Mechanical) Processes That Break