Question

The size of weather balloon becomes larger and larger as it ascends up into higher altitudes. Why?

Answer 1

density decreases, so volume increases according to the relation

v=m/d

Answer 2

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Hii Dude Here is your answer ✌✌

Beacuse As we go to higher altitudes, the atmospheric pressure decreases. Thus, the pressure outside the balloon decreases. To regain equilibrium with the external pressure, the gas inside expands to decrease its pressure. Hence, the size of the balloon increases.

Hope its help you
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Regards @kusumsahu7 ✔✔