Final answer:
Adverbs answer questions about how, when, where, and how often.
Step-by-step explanation:
The part of speech that answers the questions how, when, where, and how often is the adverb. Adverbs modify verbs, adjectives, or other adverbs to provide more information about the action, time, place, or frequency. For example, in the sentence 'She ran quickly to the store,' 'quickly' is an adverb that tells us how she ran.
Learn more about Parts of speech