Answer:
Though easy to spot, when allowed to plume, It is hard to see, when held in a room.
I am what remains when nothing is left.What am I?
A time when they're green. A time when they're brown. But both of these times, cause me to frown. But just in between, for a very short while. They're perfect and yellow. And cause me to smile.
What is it which builds things up? Lays mountains low? Dries up lakes, and makes things grow? Cares not a whim about your passing? And is like few other things, because it is everlasting?
Glittering points that downward thrust. Sparkling spears that never rust.
Why is the letter B always cool?