Asked by SooYoung

How does the vacuum packed canning process prevent food from spoiling?
Answered by bobpursley
Isn't the canning process done at high temperatures, so that bacteria and spores cant survive, then sealed with no air? How would bacteria get in and grow?
Answered by SooYoung
w8 wht?
Answered by SooYoung
can u explain that clearer?
Answered by Ms. Sue
Study this site.

http://en.wikipedia.org/wiki/Food_preservation

Answered by SooYoung
but my teacher told me that wiki isnt reliable
Answered by Writeacher
Read it anyway -- and check out the linked articles at the bottom of the wiki webpage.
Answered by SooYoung
kk thank you
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