Answer:
What can you catch but not throw?
If you have me, you want to share me. Once you share me, you won't have me. What am I?
I have roots nobody sees. I am taller than trees. Up up I go but I never grow.
I am black when you buy me red when you use me when I turn white you know itβs time to throw me away.
I store fire-breathing animals.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.