The inquiry process is the method through which students intuitively approach problems. Generally, the inquiry process involves the following four steps: Understand the problem , Make a plan , Carry out the plan , Look back and reflect . the inquiry method helps in answering questions based on observation,carefully designed investigations and then lastly when you are done gathering the information then we conclude and the answer. so A) classify is not the part of inquiry process, as without observing we can just inquire about the specific question.