I don't know much about the Sydney mines, but from the context, I can infer that the tunnels were unsafe. Whether being that they were collapsing, or they were filled with poisonous gasses.
Alliteration- the same letter occurs 3 times in the first stanza
Answer:
Explanation:
The two most basic parts of a sentence are the subject and predicate. The subject of a sentence is the person, place, or thing that is performing the action of the sentence.