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7th Std topic 1 Living world : Adaptation and Classification : objective and question and answer. Class 10 Science &Tech. Part 1 Chapter 1 Gravitation 7th std Topic -1 Living world adaptation and their classification part-1,2,3,4,5. Chemistry radicles : Acidic radicle and Basic Radicale Natural Resource – Air, Water and Land Topic -1 Part -1st Heredity and Evolution Topic-1, Part-2nd Notes, Question-answer Maharashtra State board by PHD Science Standard 9th भारतीय रसायनशास्त्र : एक रहस्य (भारतीय रसायन शास्त्राचा इतिहास ) 6th topic-1 Natural Resources Air, Water, Land (AIR)

Natural Resource – Air, Water and Land Topic -1 Part -1st

All things on the earth are associated with air, water and land. Air is called atmosphere, water is called Hydrosphere and land is called Lithosphere. BIOSPHERE: living things and the parts of the lithosphere, hydrosphere and atmosphere which they occupy are together