Coal and wood are two sources which had been used extensively since the 18th century. when steel was commercialized heavily using the Bessemer Proces later at the 19th century. At this time, petroleum became the major energy source of energy and was even used extensilvely in other processes as converting petroleum to fuels.
Yes that answer is correct
Aljazeera is the most popular network in the Middle East that has attracted enemies from the Western Media and governments as well as rulers and countries such as; Saudi Arabia and Egypt that do not like it for its Islamist bent in which they are angry that its population are exposed to reporting o these regimes. For years they have asked Aljazeera to evolve and leave their countries i.e., Saudi Arabia, Jordan and Egypt has kicked Aljazeera bureaus out of their countries.
