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【正文】 0 units). By 2020, coal had bee the fuel for more than 75% of electricity produced and only hydro continued to be another significant source supplying approximately 20%. In contrast, France used coal as a source for only 25 units of electricity in 1980, which was matched by natural gas. The remaining 40 units were produced largely from oil and nuclear power, with hydro contributing only 5 units. But by 2020 nuclear power, which was not used at all in Australia, had developed into the main source, producing almost 75% of electricity, at 126 units, while coal and oil together produced only 50 units. Other sources were no longer significant. Overall, it is clear that by 20200 these two countries relied on different principal fuel sources: Australia relied on coal and France on nuclear power. 分析 ： 題目 The pie charts below show units
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