tie a balloon tightly to a lightweighted rubber tube inflate a balloon by blowing through the rubber tube and tightly closed end of the rubber tube by pressing with finger without detaching the finger place the balloon on the flat surface and then remove the finger give the procedure observation diagram and conclusion plz help me
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nugtie a balloon to right weight rubber tube in flat the balloon by blowing through the rubber tube and tight close the end of rubber tube by pressure in the fingers without detecting the fingers place the balloon on the flat surface and remove the finger
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