It is not known for certain when the first cell appeared on Earth and in what way it originated. The appearance of the first cells should have been preceded by the accumulation of organic substances in the medium and the appearance of a certain form of prebiotic metabolism.
As countries communicating more and more today and without any doubt to be a larger extent in the future, people often predicate that if the world developed to be united enough and then all people will speak the same language for daily communication. Is it realistic? How long will it take to fulfill such a dream?