Answer:
I am heavy forward but backward I am not. What am I?
I am known for my natural tuxedo and marching. What am I?
As a state in the USA, I am round on both sides and high in the middle. What am I?
In my life I must bare, my bloodline I must share. What am I?
I may seem real but it always turns out I was never there in the first place... you only see me during a certain resting stage.
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.