| chemistry |
Chemical characteristics of surface water, particularly acidity and content of nutrients.
출처: academic.emporia.edu/aberjame/wetland/define/defin...
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| chemistry |
Knowledge of the chemical composition, structure, and properties of substances and of the chemical processes and transformations that they undergo. This includes uses of chemicals and their interactions, danger signs, production techniques, and disposal methods.
출처: www.careers.org/topic/06_cref_62.html
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