Atool used to measure voltage in an electrical circuit

It could be the tension pen. It detects and mesure the tension within an electrical conductive circuit if the value of that si no less then 16 V and no more then 220V

human-caused climate hope this

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.