I'd say 6 because the main idea is how volcanoes are destructive but they can also help us and sentence 6 says that exact thing
Answer:
Maybe your saying is that your school has poor system and development because your located in small or poor area.
That's right but your teachers are very confident to teach you even if the school is not very nice. But what makes the school a star is the hardworking and intelligence of teachers to teach every student so you'll have a wonderful grade and bright future.
So never mind about that just learn and understand so someday when you grown up and becone rich your going to help the school to become better than you remember
