Fluoride polllution mainly affects

Options

A. Brain
B. Heart
C. Teeth
D. Kidney

Answer

### Step-by-Step Solution:

1. **Understanding Fluoride's Role**:
- Fluoride is an important mineral that contributes to the health of bones and teeth. It helps in the formation of dental enamel and the mineralization of bones.

2. **Identifying the Effects of Excess Fluoride**:
- While fluoride is beneficial in small amounts, excessive fluoride can lead to health issues. It can adversely affect various parts of the body, particularly when it accumulates.

3. **Recognizing the Condition Caused by Excess Fluoride**:
- One of the primary conditions associated with excessive fluoride intake is dental fluorosis. This condition affects the teeth, leading to discoloration and damage to the enamel.

4. **Evaluating the Options**:
- The question provides four options: A) Brain, B) Heart, C) Teeth, D) Kidney.
- Given the information about fluoride's role and the effects of excess fluoride, it is clear that the most direct impact is on the teeth.

5. **Conclusion**:
- Therefore, the correct answer to the question "Fluoride pollution mainly affects" is option C) Teeth.