I would say that the opera component for a solo performance is called ARIA.
This is an elaborated song for a solo voice, just one voice. It can be written for the main character focusing on his/her emotions.
The term means "air" in Italian and it is connected to a melody by performed by a singer. It might be accompanied by an orchestra.
They started in Africa then they started heading into the southern coast of Asia and Oceania, this all happened about 50,000 years ago.
Answer:
I'm not sure if there was supposed to be an image but I think you're talking about a viola.
1. Building a habit of spending less than you make
2. No effort needed after setup
I believe the answer would be A. Bay of Bengal. But not completely sure.