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SAI International School
                                               Subject - Chemistry

                                                      Class - VII
                                      Topic - SOIL: A Natural Resource
                             Sub-topic - Formation and Composition of Soil


                                                     MIND MAP








                                                           Soil



                                                                             Formation of
                                                                                     soil

                                                    Weathering

                                                       Process





                                               Composition of soil






                                                                           Humus

                                Soil Particles





























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