Read the passage [SS5]and answer the question.
In 2005, the majority of young adults lived independently in their own household, which was the predominant living arrangement in 35 states. A decade later, by 2015, the number of states where the majority of young people lived independently fell to just six. Of the top five states where the most young adults lived independently in 2015, all were in Midwest and Plains states.
Based on the context of the passage, the word predominant functions as which of the following?
Select one:

Verb

Adverb

Adjective

Noun