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Liam Turner——Works at Tesla, Lives in San Francisco. Graduated from University of California, Berkeley with a degree in Mechanical Engineering.
It is generally caused by food not being securely wrapped in air-tight packaging.
Freezer burn appears as grayish-brown leathery spots on frozen food, and occurs when air reaches the food's surface and dries the product. Color changes result from chemical changes in the food's pigment.
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