Answer:
A tree with 5 branches, no leaves and no fruits
I am believed to be only one dimensional, and tinier than anything can be, and there are many who say that I am the basis of all that we see. What am I?
It regulates our daily movements, but it feels no interest in our lives. It directs us when to come and go, but does not care if we pay attention. What is it?
It happens when something has been cut with H2O.
A dragons tooth in a mortals hand, I kill, I maim, I divide the land.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.