14.  Distinguish between the following:
a)  Mechanical Waves and Electromagnetic Waves.
b)  Loudness ad Intensity.
c)  Crest and Compression

Dear student,
post different queries in different threads so that we can help you efficiently.
Refer to the link below for the answer to part 14 a,
https://www.meritnation.com/ask-answer/question/what-is-difference-between-mechanical-wave-and-electromag/sound/1668020 
Regards

 

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