The diagram shows the fossils found in different layers of a rock.
Fossil Layers
Which statement is correct?

pure water does not conduct electricity very well. however, when certain substances are dissolved in water, the solution does conduct electricity. you can make a simple device that shows how well a solution conducts electricity. this device uses a flashlight bulb to indicate how well the solution conducts electricity. the better the solution conducts electricity, the brighter the bulb will glow.

explanation:

indium, and thallium have three electrons i think

i dont know the answe