Answer:
The more you take the more you leave behind. What am I?
I run up and down the stairs without moving
Sometimes dark and sometimes bright, I make my way among twinkling lights. Seas and oceans obey my call, yet mountains I cannot move at all. What am I?
As a state in the USA, I am round on both sides and high in the middle. What am I?
I am a seed with three letters in my name. Remove the last two and I still sound the same. What am I?
I flow from the Homerβs mouth when he sees doughnuts.