Reflections on concepts
1. How can you explain the sound has energy. (AS)
2. What is the unit to measure the sound intensity (AS)
3. What are the differences between the noise and music? EX
4. Explain the sources which produce sound pollution in you
5. Write your suggestions about reducing sound pollution
Application of concepts
1. The sounds of crickets (insects) make us close our ear
Writo any three musical instruments that you know
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I don't the answer
Explanation:
what chapter is thas
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