Science, asked by princy15146, 4 days ago

class 9 science ch-12 is of chemistry,biology,physics.

Answers

Answered by samaptimohanty1

0

Explanation:

Physics

( Sound) is the 12th chapter

Answered by vaibhavtiwary02

0

Answer:

Physics.

Ch-Sound.

Explanation:

Hope you have the best answer.

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