Answer :
Final answer:
The best replacement for 'plethora' in the sentence is 'excess.'
Explanation:
Excess is the best replacement for 'plethora' in the sentence. In this context, 'plethora' means a large or excessive amount, which aligns with the meaning of 'excess.' For example, 'the plethora of festivities' can be replaced with 'the excess of festivities'.
Learn more about Vocabulary and Word Usage here:
https://brainly.com/question/46578487