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,