Answer:
What goes up when the rain comes down?
A seed am I, three letters make my name. Take away two and I still sound the same.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.
You can always see it, but it's too far away to touch. Mountains rest on it, and at sea it surrounds you. What is it?
Each morning I appear to lie at your feet, all day I follow no matter how fast you run. Yet I nearly perish in the midday sun.
It's what light turns into in the night