An electric current supplied by a dry cell in a digital watch is 3.0×10^-5 A. What is the quantity of charge that flow in two hours?

The chemical reactions lab we did is typically called a "copper plating lab,  because the acid solution cleaned the pennies and made the copper look shinier;   the acid solution cleaned the paperclips and made them look like pennies;   &   the copper from the pennies was removed, and then added to the paperclips. 

D. the index of refraction of the second medium is lower.

The antana hooks up to the woring in the tv and sends radio waves being played from a certian locatiin to your tv

Ineed to see that diagram.