Answer:
I have roots nobody sees. I am taller than trees. Up, up I go but I never grow. What am I?
I am heavy forward, but backward I'm not. What am I?
I can be found in water but never wet
The more you take away the bigger I get. What am I?
I'm not a bird but I can fly through the sky. I'm not a river but I'm full of water.
I flow from the Homerβs mouth when he sees doughnuts.