Created by

Mary_Jimenez_Ciencias
-
Química
-
Contaminación
-
Age 13-15
-
level: Tercero Secundaria
-
Spanish
Author's Instructions
Distingue ambientes contaminados y no contaminados. Calcula ppm
Created by

Mary_Jimenez_Ciencias
-
Química
-
Contaminación
-
Age 13-15
-
level: Tercero Secundaria
-
Spanish
Author's Instructions
Distingue ambientes contaminados y no contaminados. Calcula ppm
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