Slide 5: From the historical perspective, the first large-scale energy sources to be exploited were the fossil fuels. Coal was the first of these in the 19th century. 01 05 10 15 20 25 30 35 40 45 50 55 60 65
Slide 5: From the historical perspective, the first large-scale energy sources to be exploited were the fossil fuels. Coal was the first of these in the 19th century.