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Unit 4 Worksheet B

State the method of food preservation according to the description.


1.    1. Microorganisms are unable to grow in a high acidity environment.
Answer:

2.    2. There is no air in the pocket of food, thus enabling the food to last longer.
Answer:

3.    3. The food is being cooked in high temperature and packed into tins.
Answer:

4.    4. Microorganisms are not active in a very cold environment, thus the food cannot be spoilt by the bacteria.
Answer:

5.    5. There is no water in the food for the microorganisms to survive or be active.
Answer:

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