What are the things you can consider about food preservation

Among the oldest methods of preservation are drying, refrigeration, and fermentation. Modern methods include canning, pasteurization, freezing, irradiation, and the addition of chemicals. Advances in packaging materials have played an important role in modern food preservation.

i believe is was

not 100% sure but i'm gonna say it's

retains water

fine grained

and is loose

your welcome

brainliest? (;