Answer:
Never alive but practically extinct. How we miss the letters pressing the ribbon of ink. What is it?
My first is equality; my second is inferiority; my whole is superiority.
By Moon or by Sun, I shall be found. Yet I am undone, if there's no light around
Each morning I appear to lie at your feet, all day I follow no matter how fast you run. Yet I nearly perish in the midday sun.
You’ll have me at night and if you remove the first letter I denote the top, such as on a train
The sun bakes them, The hand breaks them, The foot treads on them, And the mouth tastes them. What are they?