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4 ene 1990 año - Water polution

Descripción:

Water pollution was now the main focus of water purifying experts because pesticides were proving to be a major problem in water supplies.

Añadido al timeline:

Water Timeline

BySpencer Dowd
6 feb 2018

fecha:

4 ene 1990 año
Ahora mismo
~ 34 years ago
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