Explain why current flowing indicates the presence of ions

The flow of electric charge across two points is referred to it as an electric current. Electron pairs warm circuits in light lamps and electrical furnaces and generate magnetic fields in motors, inductors, and generators, and further calculation can be defined as follows:  

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Explanation:

An electron current, the flow of electrons, contributes to an electric current since the electron 'carries' negative electric charge. ... The flow of ions (either positively or negatively charged) also contributes to an electric current in, for example, the electrolyte of an electrochemical cell.

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they include patterns; cause and effect; scale, proportion, and quantity; systems and system models; energy and matter; structure and function; and stability and change.

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