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pratishthapaltani2006@gmail.com from billabong high international school, Bhopal
Subject :NSO    Class : Class 7
Which of these is not a reason why Air is a mixture not a compound 1. Liquid air has no definate boiling point 2. Air varies from place to place 3.The constituents when mixed together,energy is released or absorbed 4. None of these

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pratishthapaltani2006@gmail.com from billabong high international school, Bhopal
Class : Class 7
The answer is the third option

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