People addicted to smokeless tobacco can develop thick, leathery white spots in the mouth. What are these spots called? Select one of the options below as your answer. A. emphysema B ... leukoplakia C ... mouth ulcers

That would be : B. Leukoplakia

The correct answer for the given question above would be option B. The thick, leathery white spots in the mouth that is being produced from smokeless tobacco is called leukoplakia or oral leukoplakia. Oral leukoplakia is a plaque that cannot be rubbed off and is seen in the areas of the gums, insides of the cheeks, and the bottom of the mouth.