What was the source of food before the development of agriculture?

Explanation

### Step-by-Step Solution

1. **Understanding the Timeframe**: Agriculture began approximately 2 million years ago. Before this time, humans relied on different methods to obtain food.

2. **Gathering Food**: The primary source of food before agriculture was gathering. Early humans practiced a primitive form of food collection.

3. **Types of Food Collected**:
- **Fruits**: They gathered fruits from trees.
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