Title |
Comment |
Keywords |
Pollution
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12:01 - 13:12 (01:11) / 2.0 MB
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weathering, "chemical weathering", pollution, "acid rain", "sulfur dioxide", sulfur, coal, moisture, atmosphere, "sulfuric acid", acid, "carbon dioxide", "carbon monoxide", "nitrogen oxide", rainfall, plant, tree, masonry, stone, forest, lake, woodland, Europe, "North American Continent", precipitation
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Dissolution
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06:45 - 07:10 (00:25) / 1.5 MB
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"James Sadd", river, stream, dissolution, erosion, "mineral composition", bedrock, limestone, granite, temperature, acid, "flow velocity"
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Geology School Keywords
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