Richard observes a study-abroad student throw her books down on the desk. he engages in as he attempts to find a reason or explanation for why she behaved this way.

The answer in the space provided is attribution because this is the correct word that will fit in his behavior as he attempt to find a reason or explain as to why she behaved the way she is now. It is because attribution is an action that is being performed because of something causing it.

it's the under parts of the car