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Water Quality Parameters
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  1. Water Quality
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NASA | Earth's Water Cycle
5:53
YouTubeNASA Goddard
NASA | Earth's Water Cycle
Water is the fundamental ingredient for life on Earth. Looking at our Earth from space, with its vast and deep ocean, it appears as though there is an abundance of water for our use. However, only a small portion of Earth's water is accessible for our needs. How much fresh water exists and where it is stored affects us all. This animation uses ...
已浏览 85.8万 次2012年8月3日
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Why water is necessary in our body | Why do we drink water? | Importance of water | Video for kids
3:35
已浏览 34.1万 次
Why water is necessary in our body | Why do we drink water? | Importance of water
learning junction
Water Resources
11:38
已浏览 47.3万 次
Water Resources
Bozeman Science
Water Quality Testing
Underwater Myths & Legends Uncovered: Drain the Oceans | MEGA EPISODE | National Geographic
3:02:12
Underwater Myths & Legends Uncovered: Drain the Oceans | MEGA EPISODE | National Geographic
YouTubeNational Geographic
已浏览 8.9万 次5 天之前
Is Britain running out of water?
10:53
Is Britain running out of water?
YouTubeSky News
已浏览 9836 次5 天之前
Water or the waters? Some unseen qualities, and how we can learn more about the water which is 99% us, by molecular count. With Veda Austin. #water #molecular #vedaaustin #waters #ourbodies See less | thewilddryad
Water or the waters? Some unseen qualities, and how we can learn more about the water which is 99% us, by molecular count. With Veda Austin. #water #molecular #vedaaustin #waters #ourbodies See less | thewilddryad
Facebookthewilddryad
已浏览 1184 次3 天之前
热门视频
The Basics of Freshwater: Crash Course Kids 14.1
4:16
The Basics of Freshwater: Crash Course Kids 14.1
YouTubeCrash Course Kids
已浏览 102.1万 次2015年6月9日
The Chemistry of Water | Chemistry Basics
2:25
The Chemistry of Water | Chemistry Basics
YouTubeAmerican Chemical Society
已浏览 12.3万 次2018年11月8日
Water Water Everywhere | Learn All About Water For Kids
8:51
Water Water Everywhere | Learn All About Water For Kids
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已浏览 47.5万 次2021年11月30日
The Basics of Freshwater: Crash Course Kids 14.1
4:16
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已浏览 102.1万 次2015年6月9日
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The Chemistry of Water | Chemistry Basics
2:25
The Chemistry of Water | Chemistry Basics
已浏览 12.3万 次2018年11月8日
YouTubeAmerican Chemical Society
Water Water Everywhere | Learn All About Water For Kids
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Why water is necessary in our body | Why do we drink water? | Importance of water | Video for kids
3:35
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已浏览 34.1万 次2021年3月24日
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已浏览 47.3万 次2015年9月7日
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Unique Earth: The Essence of Water | Full Documentary
52:00
Unique Earth: The Essence of Water | Full Documentary
已浏览 231.7万 次2022年12月9日
YouTubespace and science
Properties of Water | Hydrogen Bonding in Water | Biology | Biochemistry
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Properties of Water | Hydrogen Bonding in Water | Biology | Bioch…
已浏览 23.6万 次2017年6月27日
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已浏览 6.4万 次2020年9月6日
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Water – The Source of Life
已浏览 7.9万 次2015年6月25日
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短视频

5:53
NASA | Earth's Water Cycle
已浏览 85.8万 次2012年8月3日
YouTubeNASA Goddard
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已浏览 102.1万 次2015年6月9日
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已浏览 12.3万 次2018年11月8日
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已浏览 47.5万 次2021年11月30日
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已浏览 34.1万 次2021年3月24日
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52:00
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静态缩略图占位符
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