Answe It has to do with the sand
Explanation Let's assume that if we see an object from a higher elevation, it looks like it got smaller, but in reality it is big. It is the same thing with the sand. It might change due to the atmospheric level that may change the sand's color and make it dark.
I'm not really sure if I'm right, but here is all I've got for this one
Non-fiction.
Fiction is when it's fantasy, non-fiction is when its something that has actually occurred in someone's life.
The best answer would be A & A.