. . . . . . . . . . . . . . . . . . "environmental chemistry"@en . . "environmental chemistry"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "environmental chemistry"@en . . . . . . . . "scientific study of the chemical and biochemical phenomena that occur in natural places"@en . . . . . . . . . . .