What part of speech is ‘those’?

‘Those’ is a demonstrative pronoun. Demonstrative pronouns are used to indicate specific things or people and can refer to both singular and plural nouns. In this case, ‘those’ is used to refer to multiple items that are not close in proximity to the speaker. For example, in the sentence, ‘Those apples are ripe,’ ‘those’ specifies which apples are being referred to, distinguishing them from others.