Identify the adjective clause in the following sentence: The reason why I did this is obvious.

why I did this reason why I this is obvious the reason why I did

why I did this

The correct answer is Option (1) - why I did this The adjective clause in the sentence "The reason why I did this is obvious" is: why I did this. An adjective clause modifies a noun or pronoun. In this sentence, it modifies the noun "reason." The clause "why I did this" provides additional information about the reason, explaining why the speaker took the action. It functions like an adjective by describing the specific reason.