Answer:
People make me, save me, change me, and raise me. What am I?
I am the same written forward backward and upside down.
What can be cracked before it's used?
I am made by nature soft as silk; A puffy cloud white as milk; Snow tops this tropical crop; The dirtiest part of a mop.
What can be as big as an elephant but weighs nothing?
My days are numbered.