Restate the question and answer it in 50 or more words in standard English What does Krakauer speculate (guess) happened to Chris?

Krakauer finds an article about a dangerous mold that can grow on plants in wet climates, and believes that this is, in fact, what actually killed McCandless.He believes that the moldy seeds made the already weak McCandless incapable of climbing back to civilization or hunting, which led to further weakness.