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Natural Resources- CBSE Class 9 Science Video Lecture (Hindi)




Topics covered
Introduction; Air - Applications of Air - For Breathing, Climate Control, Wind : Movement of Air - Experiment 1, Experiment 2; Rain - Experiment (Cloud Formation); Air Pollution;Natural Resources 1,Water - Availability, Applications of Water, Water Pollution; Soil - What is Soil?, Formation of Soil, Composition of Soil, Soil Pollution, Soil Erosion;Biogeochemical Cycles - Water Cycle, Oxygen Cycle, Nitrogen Cycle, Carbon Cycle;Green House Effect; Global Warming - Harmful Consequences of Global Warming; Ozone Layer Depletion - Damage to Ozone Layer, Harmful Consequences of Ozone Layer Depletion;

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