Question

Canned goods will _____.
a. not spoil unless they are dented or improperly canned at the factory
b. not spoil because of the high salt content
c. will remain edible for years if not contaminated
d. have been subjected to dry heat under very low pressure but high oxygen treatment

Answer 1

Answer: c. will remain edible for years if not contaminated 

Not all of the canned goods have high salt content because it could use other preservatives besides salt. It should be sterilized using a short time high temperature. It could be spoiled if left years, even if it was properly canned in the factory. It still safe for certain years though.