▶ Your Answer : The given line graph illustrates how the consumption of energy have changed since 1980 and predictions by 2030 in the USA. It is measured in quadrillion units on six different categories. Looking at the figure for petrol and oil, it always has been the greatest among those of other energy sources, fluctuating between 31units and 42units by 2015. Furthermore, the energy generated by petrol and oil is forecasted to be consumed much more constantly in the future. When it comes to the energy use created by coal and natural gas, the two figures generally had been similar, ending at 25units in 2015. However, the gap between these two is expected to be larger; the utilization of natural gas is predicted to level off at 25units, whereas that of coal is anticipated to have a significant rise to well over 30units for the year 2030. Turing to the following group, which are nuclear, solar and wind, and hydropower, these founts have relatively much less consumed, with the figures that are under 8units. Overall, the utilizaiton of energy sources is forecasted to go up, although there is an expectation of the stable figures in certain categories. |