The petroleum is more superior than coal and wood, mainly because petroleum is easier to transport, and way more efficient. Petroleum is used for fire, and of course in cars which every country has and every car needs petroleum.
This timeline of human prehistory<span> comprises the time from the first appearance of </span>Homo sapiens<span> in Africa 200,000 years ago to the </span>invention of writing<span> and the beginning of</span>history<span> approximately 5,500 years ago. It covers the time from the </span>Middle Paleolithic<span> (</span>Old Stone Age<span>) to the very beginnings of the </span>Bronze Age<span>. The divisions used are those delineating the European Stone Age; however, many regions around the world underwent various stages of Stone Age development at different times. All dates are approximate and based on research in the fields of </span>anthropology<span>, </span>archaeology<span>, </span>genetics<span>, </span>geology<span>, and </span>linguistics<span>. They are all subject to revision based on new discoveries or analyses.</span>
Troubadours lived in southern France and wrote poems in the provençal language. This word comes from the word "trobar" which means "to invent". While Trouveres flourished in northern France and wrote in old french. They refer to poets and composers who were influenced by troubadours.
