Answer:
Round and round I go never stopping in a continuous flow. I hang out with numbers each and every day and nothing ever gets on my way. What am I?
I occur twice in eternity. And I'm always within sight.
What dentists battle on a daily basis
The lunch destination of choice for teenagers and hospital employees.
What instrument can make any sound and be heard but not touched or seen?
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.