The burning of fossil fuels results in the pollution of the______.
举一反三
- This passage is primarily concerned with _____. A: the greenhouse effect B: the burning of fossil fuels C: the potential effect of air pollution D: the likelihood of a new ice age
- 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
- This passage is primarily concerned with______. A: the greenhouse effect B: the bunting of fossil fuels C: the potential effect of air pollution D: the likelihood of a new ice age
- Fossil fuels like coal, oil and natural gas are non-renewable energy sources.
- What two effects does burning fossil fuel have?