Projects in 9th class in sound lesson is we know that the sound is a form of energy so the large amount of energy produced due to the sound pollution in cosmopolitan cities can be used to our day to day needs of energy it also helps us to protect biodiversity in urban areas do you agree with the statement? Collect information on this and write a report
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produced due to the sound pollution in cosmopolitan cities can be used to our day to day needs of energy it also helps us to protect biodiversity in urban areas do you agree with the statement? Collect information on this and write a report.
Projects in 9th class in sound lesson is we know that the sound is a form of energy so the large amount of energy
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