What is the disadvantage if the deep freezer is placed at the bottom of a refrigerator?

Explanation

### Step-by-Step Solution:

1. **Understanding the Placement of the Deep Freezer**:
- The question asks about the implications of placing the deep freezer at the bottom of a refrigerator.

2. **Natural Convection Principle**:
- Natural convection is a process where warmer air rises and cooler air sinks. This means that when air is cooled, it becomes denser and moves downwards, while warmer air moves upwards.

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