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Question
Why does a helium balloon expand as it goes up?
Why does a helium balloon expand as it goes up?
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Solution
The correct option is C The atmospheric pressure decreases.
Atmospheric pressure is inversely proportional to Altitude. So, as the altitude of the balloon increases, the atmospheric pressure outside the balloon decreases, resulting in its expansion.
Atmospheric pressure is inversely proportional to Altitude. So, as the altitude of the balloon increases, the atmospheric pressure outside the balloon decreases, resulting in its expansion.
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