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Ecotoxicology
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Tibia
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RADARSAT-1
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Tumour
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One-time pad
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Minor axis
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Gauss constant
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The Bohr atom
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Depression
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Coal
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Conjugation
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Cryogenic
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Digiscoping
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Dashboard
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CEV
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Geodesics
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Fluorescein
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Riveting
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Oncogene
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Chelating agent
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Infusion
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Ureter
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Relative permeability
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Anti-TNF
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Germicide
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Electroconvulsive therapy
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Interferon
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Euphoria
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Plum
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Kinase
Fresh water
In terms of salinity, fresh water is water with salinity below 0.5.
In terms of hardness, fresh water is water with a total hardness (TH) below 15°f. It is therefore water with very low calcium and magnesium content.
Fresh water is low in minerals and contains little salt. © Vi
Cult
, Wikimédia CC by-sa 3.0
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