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
A: oil < gas
举一反三
- 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
- Coal, oil and natural gas are __________ and __________. A: clean ... recyclable B: renewable resource ... unconventional energy C: non-renewable resource ... conventional energy
- Burning coal, oil and natural gas are ways to reduce carbon dioxide in the atmosphere.
- Fossil fuels like coal, oil and natural gas are non-renewable energy sources.
- Which of the following is clean source of energy () A: Coal B: Oil C: Solar D: Natural<br/>gas