Why is it necessary to dry grains before storing them?

Explanation

**Step-by-Step Solution:**

1. **Understanding the Problem**: Grains are harvested and need to be stored for future use. However, if they are not properly dried before storage, they can spoil.

2. **Role of Moisture**: Freshly harvested grains contain moisture. This moisture creates a favorable environment for the growth of microorganisms such as fungi and bacteria.

3. **Consequences of High Moisture**: When grains have high moisture content, these microorganisms can thrive, leading to the grains becoming hollow and spoiled. This spoilage can render the grains inedible and lead to significant losses.

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