Question

how is food preservation useful to us?​

Answer 1

Food preservation prevents the growth of microorganisms (such as yeasts), or other microorganisms (although some methods work by introducing benign bacteria or fungi to the food), as well as slowing the oxidation of fats that cause rancidity.

Answer 2

Answer:

food preservation prevents growth of microorganisms we preserve food to avoid spoilage so we preserve food to eat in future