• 2021-04-14
    People are aware that coal, which has gone to mass production, is still a finite resource, though _________ than either oil or gas.
  • a much more abundant energy source

    内容

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      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

    • 1

      Burning coal, oil, and natural gas has serious and ___ negative impacts on public health. A: habitable B: close C: negligible D: long-standing

    • 2

      Rich in coal, abundant in oil and gas, while coal is the most important basic energy and raw material in China.

    • 3

      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

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      Fossil fuels like coal, oil and natural gas are non-renewable energy sources.