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     CBSE Class 9 - Physics -Gravitation and Flotation (Solved Numerical Problems) Questions: 1) Find the total thrust acting on the bottom surface of a tank 4m long- 2m broad and 2m deep when fully
    
     
     
    
     
    
    
    cbsenotes • 2018-10-11
    
     Why do we fall ill? - Important Definitions Health:  A state of being well enough to function well physically- mentally and socially. WHO defined health as ‘a state of complete physical-
    
     
     
    
     
    
    
    cbsenotes • 2018-10-08
    
     CBSE Class 9 - Chemistry - Structure Of Atom(Worksheet) An atom is the smallest indivisible unit of an element.. Modern chemistry began with eighteenth-century discoveries leading to th
    
     
     
    
     
    
    
    cbsenotes • 2018-09-26
    
     Improvement in Food Resources  Study Notes Food is essential for all living organisms to live. We depend on plants and animals for food. The increase in population has created much demand
    
     
     
    
     
    
    
    cbsenotes • 2018-09-19
    
     Cell Biology - 7 Points about Plasmolysis Plasmolysis vs Flaccid vs Turgid Credits: Wikimedia- Author: LadyOfHats 1. When a living plant cell loses water through osmosis there is shrinkage or c