The statement that there is no sound without air means that

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Air helps in travelling of sound over a distance

Air helps in the production of sound

Air helps in receiving sound

Air has no role in the sound

answer is A.

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Detailed Solution

The statement that there is no sound without air means that the air helps in travelling of sound over a distance.
Air is present everywhere around us in the form of a thin layer. The space without air is termed a vacuum, and it also has no sound. Air helps in travelling by sound over a distance. When air moves, it carries sound, which is why we can hear. So, air helps the sound to travel over a distance.

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