Jisha is a scuba diver . she carries a cylinder with her whenever she goes for diving . What does the cylinder contain and why does jisha need to carry it ? Class 3rd....school name panorama public school
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the cylinder that jisha carries contains a gas called oxygen or simply O². She carries a cylinder of oxygen because she can't breathe under the sea (obviously no animals could do that). In order to breathe, we need oxygen and as we are unable to breathe under water , she carries a cylinder of oxygen..
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the cylinder contains oxygen for breathing under water .
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