What is one possible reason keisha is having this difficulty?

Meeee i’m in need of answerering this

Refer to the list of words parts on the left to answer the questions. what prefix is used in the word incredulous? what suffix is used in the word incredulous? what word root is used in the word incredulous?

Read the thesis statement below and answer the question that follows. the life of the typical college student is characterized by time spent in many different areas. how can this thesis statement be improved?