I believe the correct answer is to help the reader visualize a view where water and sky are difficult to tell apart.
The author is trying to portray an image where the water and the sky are somehow blending into each other - you can't tell where one ends and the other one begins, because both items are colored similarly - various shades of blue.
Answer:
Very cool person, Nice, and great singer.
Explanation:
"A" is the correct choice :)
It's "computers", because they're the subject of the verb to be.
I think.