Give reason:A refrigerator is used in almost every home.

1.	Give reason:A refrigerator is used in almost every home.
Answer» 1. Refrigerator is used to keep food item in healthy condition and to keep them fresh. 2. If the food items are kept outside, they spoil very fast due to growth of micro-organisms and they make food spoiled and harmful. 3. The optimum temperature for the growth of micro-organism is 15°C to 35°C. 4. In refrigerator the temperature is kept very low. So, the food is preserved in refrigerator.

Answer»

1. Refrigerator is used to keep food item in healthy condition and to keep them fresh.

2. If the food items are kept outside, they spoil very fast due to growth of micro-organisms and they make food spoiled and harmful.

3. The optimum temperature for the growth of micro-organism is 15°C to 35°C.

4. In refrigerator the temperature is kept very low. So, the food is preserved in refrigerator.

Discussion