Come si dice in Inglese (Regno Unito)? Hello! This isn't a question about "how to say" something, I just don't have the premium account to ask every type of question😅
Please can you make a correction on my text, I would be so thankful! Here is my presentation (next message):

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Today I would like to broach two questions about humanity which I am interested in. I am going to talk about the origins of Homo sapiens and of Indo European languages. Let's begin with the question about the whole humanity. Where does our specie come from? The most assured theorie appeared in 1871 in one of Darwin's books. The homo sapiens evolved in Africa about 300000 years before our current time. Even though the homo habilis, homo erectus or neanderthal tried to move to other continents, none of them was able to survive and evolve until homo sapiens in Europe or in Asia. So Africa was the only place where our ancestors evolved until homo sapiens. That's why we all come from Africa. The full theory is explained in Joseph Helmut Reichholf's book called in French "L'émergence de l'homme".
Now let's talk about where our languages come from. Since the 2nd century, the greatest scientists noticed obvious similarities between many Asian and European languages. The question is: "Where does the original language, which is called "Indo European", come from?" In 1956, the scientist Marija Gimbutas, published her theory, which is one of the two most famous ones. She thinks that a population from Central Asia colonized the actual Ukraine and decreesed their language around 40000 years before Jesus Christ. After that, the population from Ukraine settled in the whole Europe and disseminated their Indo European language, which evolved otherwise in all the countries.

Thanks a lot! It helps me so much😄 I will take your suggestions into account. And thank you for the compliment, thats so nice👍