Answer:
A. Some students decided they wanted a garden.
Explanation:
A pronoun usually refers to a noun or another pronoun called its antecedent. Whenever you use a pronoun, make sure that it agrees with its antecedent.
In the first sentence, the pronoun <em>they</em> agrees with its antecedent, <em>students</em>. They are both plural.
9 is multimedia I believe.
The second choice best applies to the given excerpt. First, it can be noted from this excerpt that the writer wants to convey a pessimistic view of fate. With that, the last choice will not apply to the paragraph anymore. The second and third choices do not apply as well because all words used were neither jargon nor difficult. Rather the words and phrases used like, "interested...but changed their minds", "frustrated", and "revolution in the mountains", were easy to grasp and quickly conveys how a possibly bright future has turned into a sour one.
B. She's going to buy a dollars worth of food from the vending machine.
Answer: they have different values beliefs that are important to them, rais differently, different things that affect them