John finds that, as he blows air into a balloon, it becomes bigger. What inference can John make?

Air is a gas.

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Air has mass

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Air is matter

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Air occupies space

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Solution

The correct option is A Air is a gas.
When a balloon is filled with air then the air exerts force on the walls of the balloon. Due to this force the balloon material stretches and hence size of balloon increases.

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John finds that, as he blows air into a balloon, it becomes bigger. What inference can John make?

The correct option is A Air is a gas.When a balloon is filled with air then the air exerts force on the walls of the balloon. Due to this force the balloon material stretches and hence size of balloon increases.

The correct option is A Air is a gas.
When a balloon is filled with air then the air exerts force on the walls of the balloon. Due to this force the balloon material stretches and hence size of balloon increases.