--subdivision Biodegradation under individual chemicals and groups of chemicals, substances and materials, e.g. Insulin--Biodegradation; Insecticides--Biodegradation; Metals--Biodegradation
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Decomposition Chemistry -- See Also the narrower term Biodegradation
--subdivision Biodegradation under individual chemicals and groups of chemicals, substances and materials, e.g. Insulin--Biodegradation; Insecticides--Biodegradation; Metals--Biodegradation