I think number 1 makes more sense. What I do is I replaced nettle with annoy and it sounds better. I don't think im right though but, I tried
An author might choose to end a story with the end.
The virus is trash and it needs to go kill it self
Available water, temperature and soil!
B. ITS.
Each of the library books is placed in its correct location.
its refers to each of the library books.
A personal pronoun is a pronoun primarily associated with a particular grammatical person. It may refer to people, object, or animals.
The grammatical person may be first person, second person, or third person.
The personal pronoun "its" denotes the use of third person in a singular form.