potential breakthrough in science and technology which may be found through Centralia fire.
Explanation:
The author choose to end the passage with this sentence to present the potential breakthrough in science and technology which may be found through Centralia fire.
The author says that the coal mine fire which have been burning underneath Centralia for 40 years can provide information to researchers about Centralia's soil, plants, and animals.
He also believes that the effects of the underground fire will help scientists to understand on how the planet came into existence.
The two parts that indicate the literary point of view of the essay are: " remember that it always troubled me to account for those unvarying boots in the window, for he made only what was ordered, reaching nothing down, and it seemed so inconceivable that what he made could ever have failed to fit."
"Besides, they were too beautiful—the pair of pumps, so inexpressibly slim, the patent leathers with cloth tops, making water come into one's mouth, the tall brown riding boots with marvellous sooty glow, as if, though new, they had been worn a hundred years. Those pairs could only have been made by one who saw before him the Soul of Boot—so truly were they prototypes incarnating the very spirit of all foot-gear."