Difficult

It's usually found dried, but often kept slicker. Above another need, it's said to be thicker. What is it?

What goes with a car, comes with a car, is no use to a car but a car cannot move without it?

It is weightless, you can see it. If you put it in a barrel it will make it lighter?

What do you have when you're sitting down that you don't have when you're standing up?

Riddles and Answers