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Wall lining
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Vertebrate
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Gossan
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Fluid inclusion
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Endive
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Missing link
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Second law of thermodynamics
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Intrusion prevention system
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Solfatare
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Intestinal flora
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Stenosis
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Pterophile
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Denial of service
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DVB-SH
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Multimedia
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Puddling
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Meson
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Antarctic
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Stalactite form
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Kohoutek comet
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DVD audio
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Acetylation
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Uric acid
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Glycolipid
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Caldera
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Duchenne myopathy
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Andropause
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PEFC
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Hub
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The Dumbbell nebula
Watershed
A watershed is the frontier between two catchment areas.
This line divides the flow of surface water (springs, rainwater) into two different directions, each one corresponding to a distinct catchment area and outlet.
The watershed in France between the Mediterranean and Atlantic catchment areas: on the right, a drop of rain a drop of rain will find its way to the Atlantic, on the left, to the Mediterranean. © Guillaume Brialon CC by-nc-sa 2.0
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