Common salt is used to preserve :

Options

A. meat
B. fish
C. tamarind
D. All of the above

Explanation

**Step-by-Step Solution:**

1. **Understanding the Use of Common Salt**: Common salt, also known as sodium chloride, is widely used as a preservative in various food items. It helps in preventing spoilage by inhibiting the growth of microorganisms.

2. **Analyzing the Options**:
- **Option A: Meat**: Common salt is used to preserve meat by drawing out moisture, which helps to prevent bacterial growth.
- **Option B: Fish**: Similar to meat, fish is also preserved using common salt for the same reasons.
- **Option C: Tamarind**: Salt is used to preserve tamarind, as it helps in reducing moisture content and prevents spoilage.
- **Option D: All of the Above**: Since common salt is effective in preserving meat, fish, and tamarind, this option suggests that it can preserve all these items.

3. **Conclusion**: Since common salt is used to preserve meat, fish, and tamarind, the correct answer is **Option D: All of the Above**.