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Explain the following observations The...

Explain the following observations
The size of a weather ballonn becomes larger and larger as it asecnds up into larger altitude

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The size of a weather balloon becomes larger and larger as it ascends up inot larger altitude :
According to Boyle's law the valume of a gas is inversely proportional to the pressure at a given temperature. As the weather balloon ascends, atmospheric pressure is less, pressure of the gas tends to decrease and so valume as well as the size of the balloon increase.
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