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Exposure to air causes sublimation (ice turning directly into vapor), which leads to freezer burn.

Removing a bit of moisture before freezing to prevent foods from getting soggy. Page 2 Frozen Food Science and Technology Froze...

You can use this science to your advantage in your own kitchen: Exposure to air causes sublimation (ice turning directly

Your freezer needs air circulation to maintain a steady, safe temperature. Page 2 Frozen Food Science and Technology Froze...