Who am I? is correct.
The correct way to punctuate the phrase "students work" depends on the context. If it is a statement, then no punctuation is needed. If it is part of a sentence, appropriate punctuation should be added before or after the phrase based on the surrounding text.
A cadence in music acts like a punctuation mark, signaling the end of a musical phrase or section, similar to how commas and periods punctuate sentences to indicate pauses or endings.
Sure, but you should properly punctuate it: "break-out hit".
the demolition scope included the protection of all surrounding items such as mature trees and plantings as well as concrete walls and walkways.
There is no required punctuation for this phrase. You could use an exclamation mark at the end if you wanted to.
Apostrophe
"Allow me to enlighten you as to what the exact reality of your particular situation is."
I will punctuate this sentence.
You must punctuate every sentence. You will learn to correctly punctuate sentences when you learn the types of sentences.
No it is not a rule. You should punctuate as normal.
The phrase "Thank you, teachers" is appropriately punctuated with a comma after "thank you" to separate the expression of gratitude from the noun that follows.
The correct punctuation for the sentence is: "This morning, the thieves were arrested." A comma is placed after "morning" to separate the introductory phrase from the main clause.