character: Chef Ana
topic: Food Preservation through Freezing
grade: 11
subject: Chemistry
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character: Professor Frost
topic: The Science of Cryogenics in Food Preservation
grade: 11
subject: Chemistry
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character: Dr. Linda Chill
topic: Chemical Changes During Freezing and Thawing
grade: 11
subject: Chemistry
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character: Chef Marco
topic: Techniques for Optimal Freezing of Foods
grade: 11
subject: Chemistry
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