Question

food preservation can be done by:
a_boiling b passteurization c_freezing d all of these.
cury​

Answer 1

d ) all of Cury please mark as brainlist

Answer 2

Answer : all of these

Explanation:

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.