what are the products in tobacco that cause cancer?

There are several harmful substances found in tobacco products that are known to cause cancer, including:

1. Nicotine
2. Tar
3. Carbon monoxide
4. Benzene
5. Formaldehyde
6. Ammonia
7. Acetaldehyde
8. Nitrosamines
9. Polycyclic aromatic hydrocarbons (PAHs)
10. Arsenic

These chemicals are carcinogenic and could potentially lead to various types of cancer, including lung, throat, mouth, esophagus, bladder, and pancreatic cancer.