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Tethys
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Arginine
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Echolocation
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Thrombosis
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Cryptographic system
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Nucleoside diphosphate
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Root tube
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Piezoelectricity
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ISO 14.001
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Enzymatic
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Endocrine disruptor
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Anaplasmosis
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Superfluid
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Karman line
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Protist
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Weed
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Oort cloud
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Palomares nuclear incident
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ATRAC
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Antiparticle
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Eruptive
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Interstellar cloud
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Tongue
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Ruderal
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Pollution snow
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Transfection
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Salix viminalis
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Duodenum
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Intumescent
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Chirality
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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