What is Freezer Burn?

The video explains freezer burn, a process where ice in frozen food sublimates, causing dryness. It contrasts freezer burn with hoar frost, which forms from water vapor in the air. The effects of freezer burn include dry, frosty food that remains safe to eat. Tips to prevent freezer burn include keeping the freezer cold and using airtight bags. Sublimation also occurs in nature, forming frost flowers on sea ice.

Explain how frost forms on the walls of a freezer.

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What are some methods to prevent freezer burn?

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