Answer:
I am the minerals vital for your good health.
I run through hills. I veer around mountains. I leap over rivers. And crawl through the forests. Step out your door to find me.
No matter how hard you hit me, no matter how much I hurt, I'll always go for a laugh. What am I?
I have two bodies joined together as one. When standing still I run and run.
What has words but never speaks?
What language does a billboard speak?