Answer:
I only exist when you are here. Where you never were I can never be.
Every dawn begins with me. At dusk I'll be the first you see and daybreak couldn't come without. What midday centers all about. Daises grow from me I'm told. And when I come I end all code but in the sun I won't be found. Yet still each day I'll be around.
I can climb mountains, cross streams, handle hundreds of feet each day, yet I never move. What am I?
What has a bottom at the top?
I run through hills. I veer around mountains. I leap over rivers and crawl through the forests. Step out your door to find me. What am I?
What made Cyclops quit teaching?