1.it is also called earthing , removes the excess charge on an object and transfers it to the ground

2. it's has a switch that opens automatically when a great amount of electric current that flows in the circuit

3.it is opposition to the flow of electric charge

4.If there is too much current running through the circuit it gets very hot ,melt and breaks the path for electricity

pa answer ng maayos thanks .. REPORT PAG DI MAAYOS SAGOT​