Answer:
the switch in narration increases the promximity of the narrator to the main character.
The purpous is to proswade
B, because nothing in this talks about dogs, and the main idea of the article is fish. It is more specifically about setting up a fish aquarium.
Answer:
For the first time in history, more people live in cities than rural areas. Every year millions of people leave their homes in the countryside and migrate towards urban centres both within their own countries and across borders. Some of these people move simply to seek new opportunities and improve their lives.