The campground <u><em>which </em></u>was nearly full.
An adjective clause, or relative clause, is a form of structured clause that works to explain a noun in a sentence. It features as an adjective even though it is made up of a set of phrases instead of just one word. inside the case of an adjective clause, all the words paintings collectively to modify the noun or pronoun.
Adjective clauses begin with a relative pronoun, which connects them to the phrase they describe. Relative pronouns encompass the phrases that, where, when, who, whom, whose, which and why. when you don't forget the relative pronouns, it's easy to pick out out an adjective clause in a sentence.
Learn more about clause here:- brainly.com/question/1421646
#SPJ4