Answer:
What can be filled with empty hands?
I'm white, I'm round, but not always around. Sometimes you see me, sometimes you don't.
What is yellow, looks like the moon and has seeds?
High born, my touch is gentle. Purest white is my lace. Silence is my kingdom. Green is the color of my death.
Sometimes black, sometimes white, I have veins but no blood
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.