A natural monopoly occurs when the most efficient number of firms in the industry is one. A natural monopoly will typically have very high fixed costs meaning that it impractical to have more than one firm producing the good.
Examples are Gas network, Electricity grid
Railway infrastructure.
A natural monopoly poses a difficult challenge for competition policy, because the structure of costs and demand seems to make competition unlikely or costly.
Hope this helped :D
~Melis
Founders effect is when a small part of a large population migrates to a new place and establishes a new population.
<span>The United States trained and funded Cuban militants</span>
I believe that would be C.
A noise that produces an echo when it bounces off a distant wall.
Answer:Encoding has occured
Explanation:When someone (a sender) has an idea that they want to communicate to others , they always need to encode that message ,which means translate it into symbols that can be understood by those who receive the message.
So during encoding ideas are translated into the coded message that one can understand.
The most common used symbol is langauge.