"What" is a pronoun. It's the object form of "who", meaning that's used after prepostions ("to whom, by whom") and in formal speech as the direct object of verbs (whom should I tell?)
"What" can be a pronoun, adjective, or adverb. In "What did you say?" it's a pronoun. In "what books have you read?" it's an adjective. In "what with one thing and another, this is hard" it's an adverb.
A direct object answers what or whom.
ex: Give me a dollar. (give me what)
ex: I reported him to the police. (reported whom)
Pronoun
The word "whom" is a pronoun. It is used as the object of a verb or preposition in a sentence.
Babies can't grow in the whom, since whom is a part of speech. However, they can grow in the womb, which is a part of the reproductive system. Both before and after birth a babies growth is a direct result of the nutrition that it receives. A baby will grow healthy and strong if given the proper vitamins and nutrients.
part of speech
The part of speech for this particular word is a noun.
adverb
what part of speech is work
what part of speech is beneath
In speech and writing the answer to whom (and what) is a noun or pronoun. For example: Whom did John Doe accuse? Answer: He accused Bill Smithers. What did Jane Doe eat?Answer: She ate sirloin steak followed by raspberries with cream.
Adjective
The word speech is a noun.
Yes, conjunction is a part of speech.