Smoking is defined as the inhalation of the smoke of burning tobacco in cigarettes, pipes, and cigars. The smoke that inhaled contains about 4,000 chemicals, including cancer-causing nicotine, tar, and carbon monoxide, formaldehyde, ammonia and hydrogen cyanide (Martin T, 2008).
A vocabulary list featuring Ruby in the Smoke.. Practice Answer a few questions on each word. Get one wrong? We'll ask some follow-up questions.