Science, asked by dharmenderhimanshu77, 8 months ago

write uses of sound waves which are above the audible frequency of 20KHz how it helps us in medical field​

Answers

Answered by kumbujjwal
1

Answer:

imagine yourself in an express train. lt is midnight. one of your co passengers who is travelling alone suddenly has got high fever. now write in about 80 words on what you should do at tish moment:

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