How does the vacuum packed canning process prevent food from spoiling?

Answer 1

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?

Answer 2

w8 wht?

Answer 3

can u explain that clearer?

Answer 4

Study this site.

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

Answer 5

but my teacher told me that wiki isnt reliable

Answer 6

Read it anyway -- and check out the linked articles at the bottom of the wiki webpage.

Answer 7

kk thank you