Question

1.What are communicable diseases? Give two examples of communicable diseases
in animals.

2. Define food preservation. Name any three methods of food preservation.
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Answer 1

communicable diseases are diseases which spread from one person to other. Example common cold , chicken pox etc.

Food preservation is the process of saving good from getting spoiled.

Three methods of food preservation are :-

1) salting

2) flushing food packets with nitrogen gas.

3) storing food in airtight container.

I hope this helps you.

Incase you still have doubt feel free to ask.