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Marginal cost equals
Tectonics
The branch of geology concerned with the structure and movement of the Earth's crust and large-scale processes affecting its layout.
Joints
Natural fractures or separations in rock that occur without significant displacement of the sides.
Weathering
The breakdown of rocks, soils, and minerals as well as artificial materials through contact with the Earth's atmosphere, waters, and biological organisms.
Fluid Pressure
The pressure exerted by a fluid at any given point within the fluid, dependent on the fluid's density and depth.
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