Give reasons for the following statements.
Nitrite poisoning may be fatal in children.

Explanation

### Step-by-Step Solution:

1. **Understanding Nitrate Pollutants**: Nitrate pollutants are substances that can contaminate drinking water. They are often found in fertilizers and can leach into water sources.

2. **Reduction of Nitrate to Nitrite**: When children consume water containing nitrates, these nitrates are reduced to nitrites in the stomach. This chemical transformation is a key factor in understanding the toxicity.

3. **Role of Hemoglobin**: Hemoglobin is a protein in red blood cells responsible for transporting oxygen throughout the body. It binds to oxygen molecules and carries them to various tissues and organs.

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