Answer:
I am known for my natural tuxedo and marching
What has roots that nobody sees and is taller than trees. Up up up it goes and yet never grows?
I'm found in socks, scarves and mittens. I'm found in the paws of playful kittens. What am I?
I can't go left, I can't go right. I am forever stuck in a building over three stories high. What am I?
Curtail me thrice I am a youth; behead me once a snake; complete I'm often used in truth when certain steps you'd take.
I flow from the Homerβs mouth when he sees doughnuts.