I hope this helps and if not I’m super sorry that I couldn’t do more!
Answer:
The reaction that occurs is a redox reaction. The Copper metal (Cu 0)on the copper pennies is oxidized in concentrated nitric acid to produce Cu2+ ions. Copper is easily oxidized to Cu2+, which is blue in aqueous solutions (water) so you should see the solution turn blue as the copper penny reacts.
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Transverse wave is <span>a wave vibrating at right angles to the direction of its propagation.
In short, Your Answer would be Option B
Hope this helps!</span>