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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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15 agos 2006 año - La NASA anuncia que la capa de ozono se está recuperando
Añadido al timeline:
Economía Ambiental
By
Erwin Ramirez
15 nov 2017
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553
fecha:
15 agos 2006 año
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~ 19 years ago
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