Final answer:
Tobacco and its smoke contain numerous harmful substances, including poisons, carcinogens, and other noxious chemicals.
Step-by-step explanation:
All of the Above can be found in tobacco and its smoke. Tobacco and its smoke contain over 200 known poisons, including nicotine, carbon monoxide, and formaldehyde. They also contain around 50 carcinogens, such as benzene and nitrosamines. Furthermore, tobacco smoke contains more than 400 noxious chemicals, which can cause various health problems.
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