Question

sound is a form of dash that people can hear. Sound is produced when an object dash back and forth .When an object vibrates , it pushes the air around it, which causes the air to alternately bunch up and then spread
apart .When the air particles bunch up , it's called a dash and when the particles spread apart , it's called a dash. These compressions and rarefactions travel outwards forming a sound dash. Without a medium , Sound cannot travel , and so there is no sound in a dash such as outer space
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Answer 1

Answer:

here's the answer

Explanation:

Sound is produced when an object vibrates, creating a pressure wave. When air particles bunch up, it's called a compression. When the particles spread apart its called a rarefaction.