Answers

2015-06-13T12:41:21+08:00
The volume inside the bottle decrease
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2015-06-17T22:13:27+08:00
As you pull down the balloons at the bottom of the model the balloons will enlarge. It means pressure inside the jar increases while the pressure outside or on the top of the jar decreases. In short there is a greater pressure inside the jar while it has a lesser pressure outside the jar.
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