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विषय
मुख्य विषय
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Geography
1 Earth as a Planet
2 Geographic Grid: Latitudes and Longitudes
3 Rotation and Revolution
4 Earth’s Structure
5 Landforms of the Earth
6 Rocks
7 Volcanoes
8 Earthquakes
9 Weathering
10 Denudation
11 Hydrosphere
12 Composition and Structure of the Atmosphere
13 Insolation
14 Atmospheric Pressure and Winds
15 Humidity
16 Pollution
17 Sources of Pollution
18 Effects of Pollution
19 Preventive Measures
20 Natural Regions of the World
