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5 gen 1973 anni - En 1973, un nuevo Código Sanitario estableció regulaciones, planteó investigaciones y programas de preservación de sistemas ecológicos y combate a la contaminación ambiental

Aggiunto al nastro di tempo:

Actividad A2. Línea del tiempo La gestión ambiental en México

ByIvan Ordinola
3 mesi fa
0
0
2200

Data:

5 gen 1973 anni
Adesso
~ 52 years ago

Immagini:

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