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eDonkey
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Backdoor
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Flamsteed number
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Faeces
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Kuiper belt
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Compatibility
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Adenine
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Diastolic pressure
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Taurids
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Interdigital webbing
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Perseids
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Desert pavement or reg
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Grey matter
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Diplodocus
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ADSL
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ISRO
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Transparent
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Citrate cycle
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Exhaust velocity
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Trimmings
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Planet
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Aperture synthesis
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El Niño
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Brain death
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Ventilation
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Arctic
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Slurry pipeline
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Depletion
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DNS
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European brown bear
Chronic pollution
Chronic pollution is permanent pollution caused either by repeated or continuous emissions of pollutants, or the presence of very persistent pollutants.
Known or predictable, this type of pollution may vary widely over time.
Chronic pollution of the Aa between 1985 and 1995 from paper mills, factories and urban centres. © F. Lamiot, Wikimedia CC by-sa 3.0
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