Geography Physical Geography – Quiz Set 8

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The Moho is the crust-mantle boundary.

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Lithosphere includes crust and rigid upper mantle.

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The asthenosphere is weak and ductile.

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Isostasy is the equilibrium of floating crust.

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Foreland basins form next to mountain belts.

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Transform boundaries produce strike-slip faults.

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San Andreas is a transform fault system.

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Wadati-Benioff zones outline subducting slabs.

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Subduction produces volcanic island arcs.

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Extension behind arcs forms back-arc basins.

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Lithification compacts and cements sediments.

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Cross-beds form from moving currents.

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Cuestas are asymmetric ridges on tilted strata.

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Inselbergs are isolated erosional hills.

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Yardangs are carved by wind.

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Wave-cut platforms are eroded rock benches.

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Rias are submerged river valleys.

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Fjords are drowned glacial valleys.

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Wave refraction deposits sand to form tombolos.

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Converging longshore drift builds cuspate forelands.

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Milankovitch cycles are orbital variations.

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Eccentricity is the orbit's shape.

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Precession is the axial wobble.

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Obliquity is the axial tilt.

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Rain gauges measure rainfall amounts.

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Hygrometers measure humidity.

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Ceilometers measure cloud base height.

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Stevenson screens protect instruments from direct radiation.

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Barographs continuously record pressure.

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Hyetographs display rainfall intensity over time.