“Por” is used to explain the cause or motive of something
“Para” is used to refer to the purpose of an action
Answer:
Mi amiga es
Explanation:
Aburrida is an adjective, it also gives you the information that the subject is a "girl" and that she's bored, so you will need to use the verb "is" which is "ser" in Spanish.
- Quién es el profesor de ciencias naturales?
