Answer:
In prison I'll be found. But I would never go to court Unless there's more than one
I touch the Earth, I touch the sky, but if I touch you, you’ll likely die. What am I?
Two in a whole and four in a pair. Six in a trio you see. Eight's a quartet but what you must get is the name that fits just one of me.
Tear me off and scratch my head, what once was red is black instead. What am I?
What has many teeth but can't bite?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.