Последние добавленные видео:
groundwater
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11 years ago
1268837 11 years ago 5:11What Is Groundwater?
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5 years ago
162817 5 years ago 2:29What is Groundwater?
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3 years ago
94662 3 years ago 14:24Groundwater
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3 years ago
149236 3 years ago 11:06Groundwater & the Israeli-Palestinian Conflict: Crash Course Geography #25
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7 years ago
341509 7 years ago 9:13What Is Groundwater?
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3 years ago
4748592 3 years ago 14:13How Wells & Aquifers Actually Work
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2 years ago
13915977 2 years ago 14:02The Bizarre Paths of Groundwater Around Structures
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8 years ago
405563 8 years ago 5:44What is an Aquifer?
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10 years ago
50268 10 years ago 1:49It's called groundwater!
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6 years ago
88906 6 years ago 8:05Groundwater and Surface Water (Why They Matter)
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1 year ago
22953 1 year ago 2:48What is Groundwater and the Water Table?
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4 years ago
65871 4 years ago 2:46Flow of Groundwater
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4 years ago
9020 4 years ago 10:45What is Groundwater?
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5 years ago
71739 5 years ago 5:38Our Groundwater Connection: Contamination
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11 months ago
370785 11 months ago 8:17Depletion of major groundwater source threatens Great Plains farming
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4 years ago
191244 4 years ago 2:43How Groundwater Moves in the Karst Landscape (A Short Animation)
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1 year ago
389957 1 year ago 7:36Why America’s Groundwater Is Disappearing | WSJ