The word " Who" is not an relative of adverb. Hence, option (d) can be considered as the suitable option for this question.
<h3>What is an adverb?</h3>
An adverb often modifies a verb, another adverb, adjective, determiner, phrase, preposition, or sentence. Adverbs frequently describe factors like method, place, time, frequency, degree, level of certainty, etc. in response to inquiries like "how," "in what way," "when," "where," and "to what extent." "Adverbial function" can be regarded as the process of accomplishing this goal through the use of single words, multi-word adverbial phrases, and adverbial clauses.
It's common practice to classify adverbs as speech. The term "adverb" has come to be employed as a sort of "catch-all" category in modern linguistics, classifying words with different syntactic behaviours that don't necessarily share much similarity except for the fact that they don't come under any of the other categories.
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Mountain ranges are formed by a variety of geological processes, but most of the significant ones on Earth are the result of plate tectonics. Mountain ranges are also found on many planetary mass objects in the Solar System and are likely a feature of most terrestrial planets
Answer:
shows vows to learn and be brave
Explanation: