Biology, 22.02.2021 18:20 ashleyy80

A balloon full of helium slowly deflates. What best explains why the balloon shrinking is an example of a physical change? The helium has changed state from gas to liquid.
Helium never undergoes chemical reactions.
A physical property of the helium gas, the volume, has changed.
Helium has physically escaped from small holes in the balloon.

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A balloon full of helium slowly deflates. What best explains why the balloon shrinking is an example...