Answer:
What can be filled with empty hands?
Iron roof, glass walls, burns and burns and never falls.
What is weightless but takes two people to hold it?
What is it which builds things up? Lays mountains low? Dries up lakes, and makes things grow? Cares not a whim about your passing? And is like few other things, because it is everlasting?
What do you use to hoe a row, slay a foe, and wring with woe?
What is yellow, looks like the moon and has seeds?