Answer:
What is put on a table, cut, but never eaten?
Iron on a mammal. Mammal on your feet.
What is neither inside the house nor outside the house but a necessity for any home?
Looks like water, but it's heat. Sits on sand, lays on concrete. A play on the eyes, but it's all lies.
They're up near the sky, on something very tall. Sometimes they die, only then do they fall.
It rows quickly with four oars but never comes out from under his own roof. What is it?