How fast does food have to cool? *
a. from 120°f (49°c) to 40°f (4°c) within 6 hours
b. from 165°f (74°c) to 50°f (10°c) within 6 hours
c. from 140°f (60°c) to 41°f (5°c) within 6 hours
d. from 120°f (49°c) to 41°f (5°c) within 6 hours

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c

explanation:

explanation:

two years ago, when picking flowers in the mountains back of yosemite valley, i found a book. it was blotted and storm-beaten; all of its outer pages were mealy and crumbly. the paper seemed to dissolve like the snow beneath which it had been buried, however; many of the inner pages were well preserved. and although all were more or less stained and torn, whole chapters were easily readable. this is the condition of the great open book of yosemite glaciers today; its granite pages have been torn and blurred by the same storms that wasted the castaway book.

two years ago, when picking flowers in the mountains back of yosemite valley; i found a book. it was blotted and storm-beaten, all of its outer pages were mealy and crumbly. the paper seemed to dissolve like the snow beneath which it had been buried, however, many of the inner pages were well preserved. and although all were more or less stained and torn; whole chapters were easily readable. this is the condition of the great open book of yosemite glaciers today, its granite pages have been torn and blurred by the same storms that wasted the castaway book.

d) a person who learns about the world by observing it.

explanation:

scientist are people who discover why and how things are done and made in the world.