Elhuyar Zientzia
Each North American spends 700 liters of water per day, the European 200 liters, the African 30 liters and the Haitian 20 liters. These data show that, although water is essential to live, the lifestyle increases the needs.
Elhuyar Nor gara | Kontaktua | Publizitatea | Laguntza
Pribatutasun politika | Cookien politika
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ISSN-2603-6614 Elhuyar