The answer is "adjective". Hope this helps!
Answer:
Eliana Rodriguez, who teaches biology, is my favourite teacher because she gives engaging lectures.
Explanation:
The part of teaching biology is an add on in this case. Because of that, it has 2 commas surrounding it. This would make it the correct answer
(I know I have it spelt as favourite, no it's not wrong, just different english.)
i personlly think kids are ready to assum adult responsability whne they have home trainning, self disapline, can do things without being told to atall and can be responable enough to hold that tittle