Read the excerpt below from The Call of the Wild and answer the question that follows.
He was older than the days he had seen And the press he had drawn. He link to the past with the present, and the eternity behind him throw up through him in a mighty rhythm to which he swayed as the tides and seasons swayed.
The best way to describe the way Buck is being characterized in the passage above is :
Unnatural
Primordial
Invincible
Unearthly