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.
A freezer setting is anywhere from -15F to + 15F, Mine is at 10. A refrigerator is anywhere from 33F to 47 F. Mine is at about 38F. When you change the temperature of a freezer or refrigerator, you should wait at least 24 hours for the units to reach the new set temperature.fter approximately 8 hours of running time, it goes into defrost. The defrost heater comes on & the temp in the freezer can get up to 40 degrees for a short time. That's why things don't last long in a frost free freezer & why you get that slime on the outer edges of your ice cream.