During cardiac cell repolarization, what is the predominant event taking place?

During convection, less dense fluid rises and denser fluid sinks.

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.

Where is most of the fresh water on earth found a in the ocean b in glaciers and in ice caps c in rivers d in the soil