Answer:
percentage of teenagers cyberbullied
number of teenagers using the Internet
number of teenagers who regularly experience cyberbullying
Explanation:
Those 3 choices will result in statistics which are useful in answering research questions
An essay is, generally, a piece of writing that gives the author's own argument.
Failure allows you to learn that making mistakes is contrary for you to learn how to avoid making mistakes like that again. You can't avoid something if you don't even know where it's coming from, so you need to make the mistake of not avoiding it to know how to avoid it next time.
Answer: an invasion of a castle.
Explanation: "They enter my castle wall!"
I hope this helps :)