Explain about how cooking foods or refrigerating them affects browning of vegetables, growth of bacteria/fungus, and spoiling or decomposing of food.

Explain about how cooking foods or refrigerating them affects browning of vegetables, growth of bacteria/fungus, and spoiling or decomposing of food. Alternately, speculate on how the apples in a HappyMeal don’t turn brown for days on end. What might they have done to them?

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