Fossil fuels like coal, oil and natural gas are non-renewable energy sources.
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举一反三
- Coal, oil and natural gas are __________ and __________. A: clean ... recyclable B: renewable resource ... unconventional energy C: non-renewable resource ... conventional energy
- In terms of equivalent calorific value, the lowest price among coal, oil, natural gas and renewable energy is ( ). A: oil B: coal C: renewable energy D: natural gas
- True or False: Of the fossil fuels (coal, oil, and gas), coal deposits will most likely have to be stranded in the highest proportion. A: True B: False
- When conventional heating cannot be avoided, the energy carrier will define carbon emissions. What is the order of coal, oil, and natural gas? A: oil < gas
- Which of the following is clean source of energy () A: Coal B: Oil C: Solar D: Natural<br/>gas
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智慧职教: ___ coal，the most important natural fuels are gas and oil.
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People are beginning to use clean energy sources mainly because _______. A: fossil fuels have caused a lot of pollution B: clean energy is cheap C: fossil fuels have cost a lot of lives D: they do not have enough fossil fuels now
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_____________ is the process of extracting coal from the ground. A: Overfishing B: Overconsumption C: Coal mining D: Burning of fossil energy sources
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Fossil fuel contains ① coal; ② Petroleum; ③ Natural gas; ④ Combustible ice. A: ①, ②； B: ②, ④； C: ①, ②, ③, ④. D: --
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中国大学MOOC: Fossil fuel contains ① coal; ② Petroleum; ③ Natural gas; ④ Combustible ice.