noun
verb
adverb
adjective
preposition
conjunction
It is an ADVERB.
The word "underground" may function as an adverb or an adjective depending on the context. In this case, it works as an adverb as it modifies a verb: "met", it indicates where the secret society met. And consequently, it does not work as an adjective as adjectives only modify nouns. For a better understanding, here it is a brief definition:
An adverb is a word or set of words that modifies a verb, an adjective, a clause, another adverb, or a phrase, meaning that it can describe how, where, or when an action took place.
Answer: A fast flowing river can carry very little sediment. More friction between water and streambed will reduce the speed of flowing water. How would a fast-flowing river be most likely to move sand-sized particles of sediment? It would lift them and carry them downstream.
Explanation: this is why the answer is false
b. the ways in which cell phones have affected personal interaction
c. the need for regulations prohibiting cell phones in classrooms
d. a comparison of the features and costs of different cell phones
Answer:
c. the need for regulations prohibiting cell phones in classrooms
Explanation:
A persuasive essay tries to persuade the audience or the reader into believing in what the author wants them to believe and support an idea, so when talking about persuasive essays there will always be something to be done or support in the title, from the 4 options only the third one wants to convince the reader of something "the need for regulations".