Answer:
I saw the dead bring forth the living. I saw the living bring forth the dead. What did I see?
It weighs next to nothing but no one can hold it for long. What is it?
In spring I look gay, Covered in a green array, The warmer it gets the more clothing I wear, As the cold grows, I throw away my clothes.
A seasonal fashion statement named for the weather it's worn in.
What can you hold in your left hand but not in your right hand?
Before I grow I'm small. When I'm old I grow tall. When I die I give a mighty fall.