Question

which kind of change is filling air in a football? ​

Answer 1

Answer:—

Filling air in football is a physical change.

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Answer 2

Answer:

Heliumgas ( physical change)

Explanation:

Remember that helium is the that gas when you inhlae it , it makes your voice higher. also helium is much lighter than air. So the coach wants to know if they can kick the ball farther it is filled with helium. The coach decided to set up an experiment. .....