What is the subject and verb of this sentence Childhood hunger a major problem in many parts world?

This sentence is incomplete and has no clear subject or verb. Here's why:

* Subject: We need a noun or pronoun that performs the action of the verb. In this case, "Childhood hunger" is acting like a noun phrase, but it's not doing anything.

* Verb: We need a word that shows action or a state of being. There's no verb in this sentence.

To make a complete sentence, we could rephrase it like this:

* Childhood hunger is a major problem in many parts of the world.

Here's the breakdown:

* Subject: Childhood hunger

* Verb: is