Answer:
Language is always changing. We've seen that language changes across space and across social group. Language also varies across time.
Explanation:
You can shape community behavior with positive language. ... The words that we use to refer to people change how we treat those people.
You didn't underline anything, so we cannot know for sure what the correct answer is. However, I'll just write down the entire infinitive phrases in these sentences, and you can see the answer based on that:
1. to see a great play
2. to cheer good plays
3. to practice until you know all the plays
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.
B.The thought of piano music symbolizes escape and freedom
