Answer:
I am the first you ever saw, what greets you every morning and what goes out in the end.
What is seen in the middle of march and april?
What goes up but never comes down?
A father's child, a mother's child, yet no one's son
Where is the ocean deepest?
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. Who am I?