"The life expectancy of tobacco smokers is at least 10 years shorter than that of nonsmokers. This huge increase in risk of death is primarily caused by damage to the heart and lungs, but there are numerous other harmful long-term effects of smoking. These include:Cancer of the lungs, kidneys, throat, mouth, head, neck, bladder, pancreas, and stomach
Emphysema, a very deadly condition caused by destruction and malfunction of the lungs
Heart disease and stroke, as well as other circulatory damage
Impotence, infertility, and stress"
This passage is an example of a
A) Definition
B) Comparison
C) Classification
D) Explanation