The balloon experiment demonstrates that gases have mass and take up space. If one balloon is deflated during the experiment, what happens to the balance and why?
1 )
The side with the inflated balloon rises because gas has no mass
2 )
The side with the inflated balloon sinks because gas takes up space
The side with the deflated balloon rises because removing gas reduces mass
4 )
The side with the deflated balloon sinks because the air pressure changes
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