WHY CURRENT PASSES TO EARTH THROUGH EARTH WIRE??EXPLAIN DEEPLY.IS EARTH POSITIVELY CHARGED BODY??EXPLAIN ITS EFFECTS

Now I am frustrated from this ask and answer bcuz meritnation experts answer my question related to science subject always after 1 week or 2 week and this one I think whole month I have to wait...if u dont have so much experts than don't promise that answers will be given within 48 hours increase your experts members......