Conjunctions are words that connect words, phrases, or clauses. Some common examples include:
* Coordinating conjunctions: and, but, or, nor, for, so, yet
* Subordinating conjunctions: because, although, since, while, if, unless, when, where, etc.
"How" is an interrogative adverb. It is used to ask questions about the manner or way in which something happens.
Here are some examples:
* How did you get here?
* How are you feeling today?
* I don't know how to solve this problem.