Title |
Comment |
Keywords |
Acid Rain
|
11:11 - 12:01 (00:50) / 2.3 MB
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"James Sadd", weathering, "chemical weathering", "parent rock", "industrial age", "carbon dioxide", "nitrogen oxide", "sulfur dioxide", atmosphere, "fossil fuel", forest, pollution, gas, rainfall, precipitation, "Earth's surface", "acid rain"
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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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Tropical Soil
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18:18 - 19:20 (01:02) / 2.1 MB
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weathering, soil, tropic, jungle, "fertile soil", agriculture, "rain forest", vegetation, humus, nutrient, tree, plant, leaching, forest, erosion, wasteland
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Past Deserts
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07:38 - 08:29 (00:51) / 1.6 MB
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"Southwestern United States", desert, "fossil dune", "Grand Canyon", sandstone, "Zion National Park", "cross-bedding", oxidation, iron, "dry land", plant, animal, fossil, forest, "geologic time", "plate tectonics", orogeny, mountain, "rain shadow"
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Desertification
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18:16 - 19:00 (00:44) / 1.6 MB
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"James Sadd", desert, climate, topography, "plate tectonics", forest, prairie, grassland, humans, desertification, environment
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Conclusion
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25:45 - 26:48 (01:03) / 1.3 MB
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"James Sadd", desert, humans, life, dune, playa, salt, sand, "desert varnish", environment, landform, climate, lake, grassland, forest
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Geology School Keywords
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