Question

in a scientific investigation, after the question is defined, the next step is most likely a. formulating a hypothesis b. identifying needed equipment c. designing the experiment d. collecting the data

Explanation:

In the scientific - method process, after defining the question, the next step is to formulate a hypothesis. A hypothesis is a proposed explanation for the observed phenomenon based on prior knowledge and research. Identifying equipment, designing the experiment, and collecting data come later in the process.

Answer:

A. formulating a hypothesis