Answer: advantage
Explanation:
Over 442 million people in at least 20 nations recognize Spanish as their official language. Knowing how to speak Spanish and visiting any of those countries will ensure better communication with the natives which would lead to one enjoying their trip more.
Knowing Spanish for such trips is to therefore be considered an advantage.
C. Double-meaning pun
In this pun, the word grave has a double meaning. It can refer to either the situation being serious or the hole in which the dead are buried. Both relate to the situation and therefore makes this a double meaning pun.
Answer:
1. Wind Energy is Renewable
2. It doesn't pollute the air and it isn't a fossil fuel
3. Wind energy doesn't damage health
4. Wind Energy is Reliable
Well, it doesn't show your italics, but if I had to guess, if say A. Hope this helps