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.
Freezer Upright and Chest Temperatures. The correct operating temperature of chest and upright freezers, including smaller, compact models is -5 to +5 degrees Fahrenheit.In order to take the temperature of solid food, place a thermometer between frozen packages or in some ice cream.our chest freezer has a test position on the temperature monitor control. In order to verify that the buzzer is working, just put the switch in the test position and turn the thermostat to the coldest setting. The buzzer should go off within 10 to 15 seconds.