_________ is the breaking up of the rocks on the earth's surface.
Weathering
The correct answer is Weathering.
Weathering is the in-situ breakdown of rocks and minerals on the Earth's surface by physical (freeze-thaw, thermal expansion), chemical (oxidation, hydrolysis) or biological (roots, lichens) action — the rock fragments stay where they form.
Erosion is the subsequent transport of those fragments by wind, water or ice. Attrition and abrasion are specific wearing mechanisms that occur during transport, not the initial in-place breaking.
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