Can anyone help me plz

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs

The main ingredient of magma is a pahoehoe. b silca c dissolved gases d obsidian