Answer:
Answer 43
1. When air is pumped in.side a balloon, it expands in size. This sh.ows that the air inside exerts pressure on the walls of the balloon.
2. A sealed packet of chi.ps swells up in the mountains.
Answer 44
hope it helps Alisha....
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Answers & Comments
Answer:
Answer 43
1. When air is pumped in.side a balloon, it expands in size. This sh.ows that the air inside exerts pressure on the walls of the balloon.
2. A sealed packet of chi.ps swells up in the mountains.
Answer 44
hope it helps Alisha....