The subordinate clause here is A, "as the layers of ash slowly compressed". Subordinate means that it cannot exist on its own, it has to be a part of the main, independent clause.
D. Discrimination and injustice cannot exist where the rights of the individual come first.
Answer:
The message Huck finds inside the Bible that Sophia Grangerford has asked him to retrieve from the church is an example of understatement
Explanation:
An understatement is a phrase that describes something as not important or that reduces the importance of an event or information, then the little paper that says “Half-past two” seems to have no importance to Huck but later he discovered that it was a big deal in fact since the events that happened because of that paper really disturbed him.