The last one
names of a student’s favorite celebrities
it is unrelating to school and will not interest many people
The sentence missing an apostrophe for a contraction is Sentence 9.
Sadly, even after that water is found, only some of its clean and safe enough to drink.
"its" should be "it's"
A short way of written and spoken forms of a word, syllable, or word group, created by omission of internal letters and sounds is called Contraction.
One of the richest men in the world is the appositive.
It has a comma that separates it from the rest of the sentence and the sentence makes sense without it as "Bill Gates started Microsoft."
If Bill Gates had a comma after it, it would be the apositive and the sentence would be "One of the richest men in the world started Microsoft," but since there is only one comma the appositve is "One of the richest men in the world."
Nope.................................
The answer is c because fascination is a state of mood or feeling :)