Answer:
Sitting down you have it, Standing up you don't.
Where humans breathe liquid.
This is the main ingredient in spaghetti and Mac-N-Cheese.
I'm the son of water but when I return to water I die. Who am I?
It can be grown in your yard or bought at the store and is given for love when less is more?
I touch the Earth, I touch the sky, but if I touch you, you’ll likely die. What am I?