Answers

2016-02-10T20:12:05+05:30
Yes in both cases. 

You can see the sharks in a brine tank means light, a transverse wave, can go through liquid. 

Your cell phone works means radio waves, a transverse wave, can go through all the gases in the air.
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2016-02-10T20:12:24+05:30
Yes of course for example light is a transverse wave that travels through gas too
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