Answer: The denotation of the word "fierceness" in this excerpt is "aggression".
Explanation:<u> The word "fierceness" is a noun and, in the excerpt provided, it makes reference to the quality of being frightening and aggressive. </u>Therefore,<u> the denotation of this word</u>, that is to say the primary meaning of this word, is <u>"aggression"</u>. Moreover, in this excerpt, 'fierceness' is found next to 'wrath', whose definition is 'great anger' and; therefore, has a similar meaning to 'fierceness'. Both 'fierceness' and 'wrath' have been used to refer to Almighty God,
Swiftly would be an adverb because it is describing the verb flies. An adverb is any word that describes a verb. A helpful way to help find them is that they usually end with an -ly, but remember that not all adverbs end in -ly.