Science, asked by ranjumagar7479, 1 month ago

Small region di
5) Define physical change ? mode. This known as
6) What is the molecular formula of Hydrochloric a 7)How is sound produced

Answers

Answered by thashin59

2

Answer:

7=sound is produced by the vibration of objects.

Explanation:

object that produce sound are known as the source of sound.

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