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biogeochemistry

bio·geo·chem·is·try

noun \-ˌjē-ō-ˈkem-ə-strē\

plural bio·geo·chem·is·tries

: a science that deals with the relation of earth chemicals to plant and animal life in an area

—bio·geo·chem·i·cal \-ˈkem-i-kəl\ adjective

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