The two pie charts illustrate the proportion of energy source in China in two specific years: 1985 and 2003. It is evident that, the figures of coal and natural gas increased, whereas the portion of oil and nuclear declined over the years provided.
If we look at 1985, oil was considerably more popular than nuclear, with figures of 25% and 20%, accordingly. Hydrogen and other renewables were equal popular at 5%.Twice as many people opted for natural gas as coal, with the former being 15% and the latter 30%.
Regarding the changes in 2003, both oil and nuclear experienced an equal decline of 5%. By contrast, An equal increase of 5 percentage points was seen in both coal and natural gas. Finally, hydrogen and other renewables kept the same percentage in both years at almost 5%.
Overall, coal dominated over the other categories of the charts throughout the given time period.