In my opinion the topic of this book would have something to do with survival and to not give up at the hardest or lowest points
The air-born voice makes the speaker realize that he can be happy, as shown in option C.
<h3>Why is the speaker unhappy?</h3>
- He is confused about himself.
- He feels isolated from other people and nature.
- He feels he doesn't have what he needs to be happy.
The air-born voice, shown at the end of the poem, establishes that the speaker can be happy, as long as it promotes a change in attitude and a change in the way he sees himself, as he has all the necessary resources.
This question is about the poem "Self-Dependence" written by Matthew Arnold.
More information about poems in the link:
brainly.com/question/12207798
i know i may be late to answer this but the answer is "mass, volume"
hope this helped