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1:29
YouTube
gen.E
This simple filter can give you thousands of litres of water for free - Rainy Rainwater Harvesting
What if your roof could give you free water every time it rains? Most rainwater that falls on our homes is treated like waste,even though cities are running out of groundwater faster every year. Rainy is changing how we think about water, not as something we need to buy, but something we already get. They capture rainwater from rooftops and use ...
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Sea voyages and the challenges of the ocean #7 🌊📹 #oceanlife #waves #storm #sea
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Вода и лёд — это одно и то же химическое вещество (молекула \\(H_{2}O\\)), но в разных агрегатных состояниях. Лёд — это вода в твердой фазе, которая образуется при температуре \\(0\\,^{\\circ}\\text{C}\\) и ниже.Химический состав: И вода, и лед состоят из атомов водорода и кислорода, образующих молекулу \\(H_{2}O\\).Структура: При замерзании молекулы выстраиваются в жесткую кристаллическую решетку. Из-за этой структуры лед становится менее плотным, чем жидкая вода, поэтому он не тонет, а плавает
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Вода и лёд — это одно и то же химическое вещество (молекула \\(H_{2}O\\)), но в разных агрегатных состояниях. Лёд — это вода в твердой фазе, которая образуется при температуре \\(0\\,^{\\circ}\\text{C}\\) и ниже.Химический состав: И вода, и лед состоят из атомов водорода и кислорода, образующих молекулу \\(H_{2}O\\).Структура: При замерзании молекулы выстраиваются в жесткую кристаллическую решетку. Из-за этой структуры лед становится менее плотным, чем жидкая вода, поэтому он не тонет, а плавает
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CCTV footage captured the moment a resident in Guangxi, China fell in floodwater and had trouble getting back up on Thursday (May 21). Neighbours nearby managed to help her to safety. The local meteorological bureau had issued a red warning alert for heavy rain that same afternoon. At least a dozen people have been killed due to widespread flooding from torrential rain across southern and central China. #china #chinanews #flood
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