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If the air or gas inside a balloon is ________ than the air around it, it will float.
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If the air or gas inside a balloon is ________ than the air around it, it will float.

User Nhkode
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4 votes

Answer:

greater in weight?

Step-by-step explanation:

User Nick Parsons
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2 votes
Less dense; if the air or gas inside the balloon was more dense, it would sink
User Kashlo
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