Name two toxic chemicals present in the tobacco.

Explanation

**Step-by-Step Solution:**

1. **Understanding Tobacco**: Tobacco is a plant that is commonly used in various forms such as chewing, smoking, or snuffing. It is known for its addictive properties.

2. **Identifying Toxic Chemicals**: Tobacco contains numerous harmful chemicals that can have detrimental effects on health.

3. **First Toxic Chemical - Nicotine**:
- Nicotine is one of the most well-known toxic chemicals found in tobacco.
...