Answer:
I have all the knowledge you have. But I am so small that I can fit into your hands. What am I?
Blade to blade I always win My foe laid low and even. Yard by yard through thick and thin I'm busiest in season.
Who keeps the ocean clean?
I have palms but not on hands I offer foods from distant lands When at my peak you'll see me smoke I'm famous for my friendly folk My flowers grow and yet they lay There's fire where a man will play.
Face with a tree skin like the sea. A great beast I am. Yet vermin frightens me.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.