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Contaminacion
Autor :
Edward Josue Palma Cambronero
1
contaminacion
2
radioactiva
3
naturaleza
4
ambiental
5
luminica
6
hidrica
7
quimica
8
sonica
9
visual
10
tipos de contaminacion
11
agua
12
suelo
12
2
3
5
7
10
1
4
6
9
8
11