9. What happens to the balloon?
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Answer:
When heated up, the pressure in the balloon rises, the balloon expands, and will reach to its original shape. The helium-filled balloon flies up in the air, because the average density of the balloon and helium together is lower than the density of air. ... This makes the balloon come down.
Explanation:
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Answered by
0
Answer:
When heated up, the pressure in the balloon rises, the balloon expands, and will reach to its original shape. The helium-filled balloon flies up in the air, because the average density of the balloon and helium together is lower than the density of air. ... This makes the balloon come down.
Explanation:
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