Eli5: How can hot air balloons fly by only using fire? 568 viewsJanuary 3, 2024 Question91.89K July 4, 2021 0 Comments Eli5: How can hot air balloons fly by only using fire? In: Other 4 Answers ActiveNewestOldest Anonymous Posted July 4, 2021 0 Comments Hot air not fire. Hot air rises, cool air sinks. Fire makes the air hot in the baloon. The hotter the air the faster it wants to rise. You are viewing 1 out of 4 answers, click here to view all answers. Register or Login
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