Which of these is neither the flora nor the fauna of a region?

Options

A. Water
B. Grass
C. Elephants
D. Butterflies

Answer

To determine which of the given options is neither the flora nor the fauna of a region, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Terms**:
- **Flora** refers to the plant life of a particular region.
- **Fauna** refers to the animal life of a particular region.

2. **Analyze the Options**:
- The options provided are:
- A) Water
- B) Grass
- C) Elephant
- D) Butterfly

3. **Identify Flora and Fauna**:
- **Grass**: This is a type of plant, so it is considered flora.
- **Elephant**: This is an animal, so it is considered fauna.
- **Butterfly**: This is also an animal, so it is considered fauna.

4. **Evaluate the Remaining Option**:
- **Water**: This is not a plant or an animal. It is a chemical compound made of hydrogen and oxygen (H2O) and does not fall under flora or fauna.

5. **Conclusion**:
- Since water does not represent any plant or animal life, it is neither flora nor fauna. Therefore, the correct answer is **A) Water**.