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Density of Hot and Cold Air

A balloon is ...

Question

A balloon is filled with a gas called helium. As it rises higher and higher into the atmosphere, will it expand or shrink in size?

A

The balloon will expand

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B

The balloon will shrink in size

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C

There would be no change in shape or size of the balloon

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D

Initially the balloon shrinks and then it expands

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Solution

The correct option is A The balloon will expand
The balloon will expand

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