Answer:
What goes in the water red, and comes out black?
I cost no money to use, or conscious effort to take part of. And as far as you can see, there is nothing to me. But without me, you are dead.
Find an English word that uses all of the following letters: PNLLEEEESSSSS
You'll see savory dishes in Hong Kong sizzling in these.
How far will a blind dog walk into a forest?
People take me on walks and I run and have fun. What am I?