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ESCUELA DE FORMACION DEE SOLDADOS « VENCEDORES DEL CENEPA Aspt. Vera Jorge Aspt. Chiriboga Ronny
| Date post: | 21-Feb-2017 |
| Category: |
Environment |
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ESCUELA DE FORMACION DEE SOLDADOS « VENCEDORES DEL CENEPA
Aspt. Vera Jorge Aspt. Chiriboga Ronny
OUR ENVIRONMENT
•environmental pollution
Water contamination
•Earth pollution
EFFECTS OF POLLUTION
•Thank you for your attention
