What two effects does burning fossil fuel have?
举一反三
- The burning of the fuel adds more heat to the air charge， causing it to expand and force the engine piston to do work on the crankshaftWhat does “it” mean in this sentence?（） A: the burning B: the fuel C: the air charge D: the engine pisto
- The burning of fossil fuels results in the pollution of the______.
- It is predicated that existing reserves of fossil fuel ____________ by 2045.
- The burning of the fuel adds more heat to the air charge， causing it to expand and force the engine piston to do work on the crankshaftWhat does “it” mean in this sentence?（）
- What does the news report say about the fossil hall of the National Museum of Natural History?