One day, some students saw that in their school in a classroom, there was fire due to short circuit. They also observed that teachers sprinkled a gas, called carbon dioxide, filled in a cylinder to extinguish the

fire, instead of water.

They got confused and to solve out their confusion, they go to their science teacher. Here with are given some reasons of using carbon dioxide.

I) It exstinguishes fire faster than water.

II) It does not damage electrical equipments.

III) It is a non- conductor of electricity unlike water.

The correct reason(s) that may be given by teacher is/are