Chemistry, asked by devarshshah27062008, 2 months ago

write a pharagraph in sanskrit लड़लकार on topic in vacation the place u visited

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Answered by Anonymous
1

.A speaking tube or voicepipe is a device based on two cones connected by an air pipe through which speech can be transmitted over an extended distance. Use of pipes was suggested by Francis Bacon in the New Atlantis. 

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