Final answer:
The step of an investigation during which a scientist would publish a report in a scientific journal is step B: communicate information.
Step-by-step explanation:
The step of an investigation during which a scientist would publish a report in a scientific journal is step B: communicate information. After a scientist has conducted an investigation, analyzed and interpreted the data, they communicate their findings to the scientific community through scientific journals. Publishing in a journal allows other scientists to review and verify the information, and it contributes to the body of scientific knowledge.