A proper noun is the name of a person or a place. Examples: Lisa, Frank, New York, Costco, etc.
If you're trying to add a word to the next sentence it could either be "Although" or "However". The second option sounds better than the first though
A word that can function by itself as a noun phrase and that refers either to the participants in the discourse
Example: him, her, I, you, etc.
Basically a noun that isn't proper such as a name
I'm positive the answer would be, A. Creep :)
I believe the answer to this question is letter C.
The statement suggests that the usage of wind energy is successful in meeting energy needs and demands that is why many European countries have been using this alternative source. With this success, it can be implied, especially to the readers, that wind energy is indeed beneficial not just for small-scale consumption, but also to extensive and wider usages as well.
