Define and give example of nature monopolies explain why they are allowed to exist in our free market system?

A natural monopoly is created when a player in the market grows capable of offering the best service at a price its other competitors cannot.

The electricity supply boards and the railway boards run by the government.

Following are the reasons why such natural monopolies are allowed to exist in the free market system:

for e2020. the answer would be some directions from the mountain range so we can find mt. whitney. to locate which direction is north, you should use a   compass. this would not only find mt. whitney, but also becuase of this long paragraph you would get points because it's not like anyone actually reads your work becuase once they read the first sentence it sounds dumb enough to not read becuase i'm not good at answering this but the answer is compass for your benefit.

for e2020 ; -;