Question

___________ is used as a cryogenic agent for preserving of food.​

Answer 1

Answer:

To preserve packaged foods such as produce, the food items can be sprayed with liquid nitrogen to absorb the heat within the produce. Eventually, the nitrogen evaporates before the food is consumed. With this application of cryogenics, foods can be kept preserved longer without any chemical threat to human consumption.

Explanation:

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Answer 2

Nitrogen is used as a cryogenic agent

for preserving of food

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