Answer:
What stays the same size no matter how much they weight?
What flies without wings?
A hill full, a hole full, yet you cannot catch a bowl full.
Alive without breath, As cold as death, Clad in mail never clinking, Never thirsty, ever drinking
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?
People take me on walks and I run and have fun. What am I?