variation. divergence among individual animals of a group. The differences in the morphology or function of an organ or organism, are small enough to stay within the variability of the type organism or organ.
According to the Food and Drug Administration, your fridge should be set at or below 40 F (4 C). Your freezer should be set at 0 F (-18 C). Food stored in the freezer at 0 F will remain safe indefinitely, although the quality will decrease the longer the food is in the freezer. Freezing does not change a food's nutritional value.
To make sure your freezer is running at the correct temperature, get a freezer thermometer to monitor the temperature, and make sure you defrost your freezer every once in awhile to make sure it's running efficiently.Kitchen Fact Source: Freezing and Food Safety at the United States Department of Agriculture (USDA).ven if your freezer seems to be doing its job, you should know the correct temperature to set it to! Kitchen Fact: The ideal temperature range for your freezer is 0Â° Fahrenheit or below (-18Â° Celsius or below).