Question

___is used in refrigeration of food items to keep them cold.​

Answer 1

Answer:

Refrigerator is used

Explanation:

please mark me as brainliest

Answer 2

Answer:

Keep large containers of ice in your freezer to keep the temperature down. ... Also, a block of ice could be put into the refrigerator to keep the temperature down. A block of ice will help to keep food cold for about 24 hours. Place two or three ice cubes in a plastic freezer bag and seal