Water – most food is made up of mostly water
Micro-organisms – tiny living things such as bacteria and mold
These need warmth and water to grow.
Decomposes – spoils (This slows without enough warmth and water)
Refrigeration – slows spoilage by removing warmth
Dehydration - slows spoilage by removing water
Food examples: beef jerky, raisins, dried fruit
Food can be preserved by freezing, dehydrating, refrigerating
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