Really it depends upon what the author makes it. If it's a published book, it's a for entertaining purposes. If it was informal, it's be a biography.
Revising the claim to make it more specific
Can you explain a little more?
The correct answer is Sentence 9.
The sentence should be written: Sadly, even after that water is found, only some of it's clean and safe enough to drink.
We know an apostrophe should be placed here because we could also say: Sadly, even after that water is found, only some of it is clean and safe enough to drink.
Answer:1)Background information in books and encyclopedia
2)Statistical information in government sources
3)Subject focused information in journal articles
4)News and general information in newspaper articles
Explanation: