Final answer:
The first step of asking a scientific question has been completed in the research process.
Explanation:
The step in the process of scientific inquiry that has already been completed is asking a scientific question. This step is crucial in guiding the research and investigation process to explore and gather data that can help answer the initial question. In this case, the research student has already formed the question about comparing ethanol and gasoline as fuels.
Learn more about scientific inquiry process here:
https://brainly.com/question/30792038
