Which statement best explains why it can be difficult to identify a problem? A problem can be simple or complicated.
A problem can be personal or emotional.
A problem can be large or small.
A problem can affect people or places.

A problem can be personal or emotional.

Explanation:

It can be difficult to identify a problem because it can be personal or emotional. For example, your brain may force out certain thoughts that may harm you. Therefore, it can be very hard or impossible to identify and emotional or personal problem.

i would say b. research typically uses a variety of sources

answer; i believe its (transgender);