Answer:
I build up castles. I tear down mountains. I make some men blind. I help others to see.
I am the heart that does not beat. If cut, I bleed without blood. I can fly, but have no wings. I can float, but have no fins. I can sing, but have no mouth.
It's the only vegetable or fruit that is never sold frozen, canned, processed, cooked, or in any other form but fresh
Ripped from my mother's womb. Beaten and burned, I become a blood thirsty killer.
What is weightless but it needs two person to hold it?
I'm the source of all emotion but I'm caged in a white prison.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?