Well the mood is definitely not peaceful because it says they are in pain. It is not exciting because something bad is happening. It is not cheerful because they are in pain so it has to be oppressive means to be overwhelmed.<span>
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Well saying dunno is an error in formal/academic writing. In academic writing you would have to write, i do not know, though.
Denotation and connotation allow us to choose words that give our writing greater depth and deeper meaning. You can understand by looking in a dictionary or thesaurus the definition and meanings of some of these words
The answer would be 2,448 miles
You should go to steam and find it or if you want go to school and download it