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Author Question: When did Louis Pasteur discover the presence of microbes and make food preservation safer? a. ... (Read 152 times)

j.rubin

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on: Jul 21, 2018
When did Louis Pasteur discover the presence of microbes and make food preservation safer?
 
  a. 1850s c. 1870s
  b. 1860s d. 1880s

Question 2

As a general rule, for every ____ lower in temperature, the shelf life of a particular food is increased by two to five times over what it would be at room temperature.
 
  a. 20F c. 15F
  b. 25F d. 10F


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mjenn52

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Reply #1 on: Jul 21, 2018
Answer to Question 1

B

Answer to Question 2

A


j.rubin

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Reply 2 on: Jul 21, 2018
:D TYSM

amandalm

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

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