Identify each italicized subordinate clause as a noun clause, an adjective clause, or an adverb clause,

What the speaker said was not clear

O noun clause

adjective clause

adverb clause

The subordinate clause in the sentence is a noun clause.

Explanation:

A clause must have a subject and a verb. A noun clause is a subordinate (dependent) clause that functions as a noun in a sentence. Therefore, just like a noun, it can be: subject, object of a verb or of a preposition, or a predicate nominative. Noun clauses begin with words such as what, whatever, when, which, how etc.

In the sentence "What the speaker said was not clear" we can safely say we have a noun clause in "what the speaker said". It is a clause because it has a subject (speaker) and a verb (said). It is a noun clause because it starts with "what" and it functions as the subject of "was not clear". "Was" is a linking verb and "not clear" is the subject complement - and it is not a clause.

Answer: what did the speaker say

An adjective clause-also called an adjectival or relative clause-will meet three requirements: First, it will contain a subject and verb. Next, it will begin with a relative pronoun [who, whom, whose, that, or which] or a relative adverb [when, where, or why

Explanation: if i answer it wrong just tell me and i will look again