Последние добавленные видео:
contaminated-water
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5 years ago
21186 5 years ago 2:10The other Health Crisis, Contaminated water
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8 years ago
152700 8 years ago 1:56CONTAMINATION OF WATER AND WATER BORNE DISEASES
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10 years ago
40352 10 years ago 2:29Drinking water contaminated by excreted drugs
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5 years ago
21510 5 years ago 1:52Microbial contamination tracking in water
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6 years ago
84402 6 years ago 1:528 signs your drinking water may be contaminated
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7 years ago
7651 7 years ago 2:05Doctors discuss the risks behind drinking contaminated water
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12 hours ago
27497 12 hours ago 18:59Who Drank Contaminated Water and Who Vandalized the RV?
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1 day ago
563 1 day ago 2:00City settles lawsuit with man who claims contaminated water made him sick
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9 months ago
29436 9 months ago 2:10EASY Pure Water in Contaminated Areas 💧 | NO Polluted Water | ONCE HUMAN
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8 years ago
2326931 8 years ago 20:31Extracting mercury from contaminated water
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7 years ago
1691597 7 years ago 2:36Water pollution | Water Contamination | Video for kids
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3 months ago
45731 3 months ago 4:30Study finds hundreds of contaminants in U.S. drinking water
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7 years ago
1519 7 years ago 1:59Detecting biological contaminants in water & pharmaceuticals – Spheryx
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5 years ago
4599065 5 years ago 5:48What is WATER POLLUTION? | What Causes Water Pollution? | The Dr Binocs Show | Peekaboo Kidz
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10 months ago
28694 10 months ago 2:21A disease linked to contaminated water is spreading in Lee County: Experts share how to avoid it
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1 year ago
38 1 year ago 3:40Understanding "Contaminated Water": A Guide for English Language Learners
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3 years ago
701157 3 years ago 7:22Water Pollution for Kids | Learn How to Keep Our Water Clean
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11 years ago
2181 11 years ago 2:09Lac-Mégantic: treating oil contaminated waste water