What happens to electrons at the very end of the etc?

Amixture with the same composition throughout is!

Which of the following is an example of how telecommunication devices people do their jobs? a.) a security guard checks the time using a digital watch. b.) a banker does some quick math using a solar calculator. c.) a nurse uses a digital thermometer to take a patient’s temperature. d.) a construction worker reports in to his office using a cell phone.

What physical property of gold makes panning a useful way to get gold from streams?