Sort each of the following statements as being either an external or internal factor that affects the growth of microorganisms in food. recall from your reading the causes of food spoilage and how it can be prevented.

External factors can be described as factors which give rise to a situation from outside. Internal factors bring a change or give rise to a situation from internal conditions.

External Factors:

Temperature of food storage during processing.

Humidity of the storage environment

Presence of gases, such as CO2, during packaging

Preservatives, such as salt and sugar

Handling of food by manufacturers

Internal Factors:

pH of the food

Presence of antimicrobial compounds

Nutrient content (Such as vitamins and minerals)

Moisture content or water activity

Protective structure of food, such as feathers, hide and skin

yes

no

blue is scattered more than other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time.