Answer:
Classification
Explanation: this is breaking down broad subjects into more manageable parts. You can make things to be in smaller and more specific points or parts for better understanding. A text can be broken down into topics, then subtopics and even smaller topics created from the subtopic for better understanding.
In this sentence it is an adverb :)
Answer:
A. It is a pronoun that is used for questions.
Explanation:
Some of the main interrogative pronouns are "what," "which," "who," "whom," and "whose."
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