Organic chemicals mainly come from oil, natural gas, and .
A: metal
B: air
C: water
D: coal
A: metal
B: air
C: water
D: coal
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
- Fossil fuels like coal, oil and natural gas are non-renewable energy sources.
- Burning coal, oil and natural gas are ways to reduce carbon dioxide in the atmosphere.
- Softening Claims” Using natural gas instead of coal ______ prevent air pollution”
- 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