Which food preservation method can people use at home? a. fermentation b. irradiation c. pasteurization d. thermal processing

The food preservation method that can be performed at home is fermentation.

Option A

Explanation:

Food preservation is an ideal technique to be followed at home because a unreserved food tends to get spoil. When we leave food outside for more than 3 hours it is spoil by undesirable microbes, even if we refrigerate food tends to get spoil by about 4- days. Hence fermentation is a preservation of food using desirable microbes.

either two or three