Answer:
The correct answer will be option-B.
Step-by-step explanation:
A scientific approach to explain the natural phenomenon includes various steps which begin with the making the observation. The observation made the researcher skeptical to make a scientific question which could be answered by proposing a hypothesis.
The hypothesis must be tested through experiments which could prove and disprove the hypothesis ans can answer the scientific questions.
In the given situation of the question in which a person notices or observes the fields of grass and grass and native flower. This is the first step of the scientific method called "making an observation" and thus Option-B is the correct answer.