Question

explain diffrent type of food preservation​

Answer 1

here is your answer dude

food preservation, any of a number of methods by which food is kept from spoilage after harvest or slaughter. ... Among the oldest methods of preservation are drying, refrigeration, and fermentation. Modern methods include canning, pasteurization, freezing, irradiation, and the addition of chemicals.

hope it helps

Answer 2

These seven ways to preserve summer fruits and vegetables are all effective – and can all be done in the comfort of your own home.
Drying. Drying fruits and vegetables requires removing the water content. ...

Canning.
Pickling.
Fermenting.
Freezing.
Oil Packing.
Salting.