When is water safe to drink? - Mia Nacamulli > Ted talk

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When is water safe to drink? - Mia Nacamulli

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댓글 0건 조회 75회 작성일 17-08-07 15:00

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View full lesson: https://ed.ted.com/lessons/when-is-water-safe-to-drink-mia-nacamulli<br />
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Water is refreshing, hydrating, and invaluable to your survival. But clean water remains a precious and often scarce commodity – there are nearly 800 million people who still don’t have regular access to it. Why is that? And how can you tell whether the water you have access to — whether from a tap or otherwise — is drinkable? Mia Nacamulli examines water contamination and treatment. <br />
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Lesson by Mia Nacamulli, directed by Rooftop Animation.

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