How effective is the introduction at introducing the
topic of cyberbullying?

It should be very effective

Explanation:

It depends on what topics of cyber bullying that are being covered. But either way, regardless of the topic of cyber bullying, people learn about it and possibly even learn how to prevent it.

- "a nonrestrictive clause functions as a modifier to a noun (that is an object, person or concept). these clauses can be described by the following three options: it is set off by comas, it contains a subject and a verbs and it adds nonessential information to the sentence.

for example, in "here is bill gates, who confounded microsoft software company" we can identify "who confounded microsoft software company" as a nonrestrictive clause modifying the noun bill gates. this clause can be describes as a nonrestrictive clause because it is separated by a comma, it adds nonessential information to identify who bill gates is and it must contain both a subject (who) and a verb (confounded)."

im taking test rn i give answers when im done bc i dont wanna give my answers and get you any wrong hold up : )