Последние добавленные видео:
water-contaminants
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7 лет назад
1356180 7 лет назад 5:24When is water safe to drink? - Mia Nacamulli
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10 лет назад
39467 10 лет назад 2:29Drinking water contaminated by excreted drugs
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8 лет назад
1554 8 лет назад 4:26Water sustainability and treatment: Identifying water contaminants
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7 лет назад
4426 7 лет назад 2:22Database shows what contaminants are in tap water
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6 лет назад
1643013 6 лет назад 2:36Water pollution | Water Contamination | Video for kids
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8 лет назад
3812 8 лет назад 3:42Drinking Water Contaminant Categories
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5 лет назад
20335 5 лет назад 1:52Microbial contamination tracking in water
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7 лет назад
144634 7 лет назад 1:56CONTAMINATION OF WATER AND WATER BORNE DISEASES
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5 лет назад
4434104 5 лет назад 5:48What is WATER POLLUTION? | What Causes Water Pollution? | The Dr Binocs Show | Peekaboo Kidz
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4 месяца назад
149 4 месяца назад 31:46Understanding Water Contaminants: How Drinking Water Impacts Children’s Health with Johnny Pujol
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5 лет назад
4002 5 лет назад 2:32Chemical contamination: What's really in your water?
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9 лет назад
347802 9 лет назад 9:07Water Pollution
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3 года назад
593720 3 года назад 7:22Water Pollution for Kids | Learn How to Keep Our Water Clean
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6 лет назад
1450 6 лет назад 1:59Detecting biological contaminants in water & pharmaceuticals – Spheryx
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1 год назад
1317612 1 год назад 18:49How Bad Is Tap Water for Health? | Dr. Andrew Huberman
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4 года назад
19364 4 года назад 2:10The other Health Crisis, Contaminated water
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5 лет назад
356 5 лет назад 14:14Drinking Water Contaminants and Health in Vermont
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8 лет назад
3913 8 лет назад 39:49Public Health Impacts of Nitrate and Drinking Water Contaminants
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5 лет назад
40922 5 лет назад 4:47Study finds chemicals in drinking water in 43 states