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Tissue

Tissue

  Tissue   Tissue is the important chapter that covers the  detail study  of tissues which covers the complete syllabus of class 9th   TISSUE ; A group of cell that  are similar in structure and work together to achieve a particular function  called  Tissue , The microscopic  study of tissue is called  Histology .

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Russian Revolution

Russian Revolution

Russian Revolution   Russian Revolution chapter from History class 9 covers the whole syllabus and gives basic of revolution. RUSSIAN REVOLUTION : The French Revolution opened up the the possibility  of creating a dramatic change in society , there were the groups and ideas that  looked to change  society according to their thoughts and visions

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Sound

Sound

SOUND  Sound the Chapter of  Science , Physics that covers the syllabus of class 9 with basic idea of sound giving the idea of types of waves, sound wave, technical terms of sound.   Sound is the form of energy which produces the sensation of hearing  and it felt by ears and law of conservation

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