Please sort each of the following statements as being either an external or internal factor that affects the growth of microorganisms in food. Please recall from your reading the causes of food spoilage and how it can be prevented.
1. Temperature of food storage during processing.2. pH of the food
3. Protective structure of food, such as feathers, hide and skin
4. Humidity of the storage environment5. Presence of gases, such as CO2, during packaging6. Presence of antimicrobial compounds
7. Moisture content or water activity
8. Preservatives, such as salt and sugar9. Nutrient content (Such as vitamins and minerals)
10. Handling of food by manufacturers