Determine whether the subordinate clause in the sentence below is an adjective clause, an adverb clause or a noun clause. a letter that is mailed today will be delivered by 10: 30
a. m. tomorrow.
a. noun clause
b. adjective clause
c. adverb clause

b. adjective clause

Explanation:

An adjective clause tells something about the noun or pronoun in the sentence. It provides some of the required information which is essential for the sentence. An adjective clause begins with relative pronouns or relative adverbs. They provide additional information. A subject and a verb is a part of an adjective clause. In the above sentence, 'that is mailed today' is the adjective clause.

a. to introduce the audience to important characters .

b. to inform the audience where the story takes place .

e. to lay out specific details about different plot points.