Clamorous because its the opposite of the sentence
I think it is infrastructure
Look at this link.
https://www.adn.com/books/article/more-global-warming-afflicts-endangered-shishmaref/2016/03/27/
I don’t understand what you’re asking, but that would be a claim
The correct answer is B. Mood. This is because other options don't have anything to do with the feelings of the reader, but they can change the mood of the reader.