Assuming that the following statements are true: I. The grounding system is used to protect people and equipment from electric shock. II. The groun...

Assuming that the following statements are true: I. The grounding system is used to protect people and equipment from electric shock. II. The grounding system consists of buried bare copper conductors and copper rods. III. The grounding system must be connected to the neutral of the power supply. Which alternative is correct?
I, II, and III are correct.
II and III are correct.
I and III are correct.
I, II, and III are incorrect.
II only is correct.
I. The grounding system is used to protect people and equipment from electric shock.
II. The grounding system consists of buried bare copper conductors and copper rods.
III. The grounding system must be connected to the neutral of the power supply.
a. I, II, and III are correct.
b. II and III are correct.
c. I and III are correct.
d. I, II, and III are incorrect.
e. II only is correct.