Carcinogens present in tobacco smoke are …………………………….. and …………………………….. .

Explanation

**Step-by-Step Solution:**

1. **Understanding Carcinogens**: Carcinogens are substances that are known to cause cancer. They can be found in various forms, including chemicals, radiation, and certain viruses.

2. **Tobacco and Its Use**: Tobacco has been used for centuries and can be consumed in various ways, such as smoking, chewing, or snuffing. It contains numerous chemical substances that can be harmful to health.

3. **Health Impacts of Tobacco**: Smoking tobacco is directly linked to several types of cancer, including lung cancer, urinary bladder cancer, throat cancer, and others. It is also associated with other health issues like bronchitis and coronary heart disease.

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