People addicted to smokeless tobacco can develope think, leathery white spots in the mouth. what are these spots called?

Leukoplakia. This causes thick, white patches to form in the chewer's gum. These cannot be scraped off. Doctors don't know exactly what causes this in smokeless tabacco.

precisely the author keeps the interest of readers not describing clearly the   kind of relationship in giselle's family. by doing this, readers had to imagine and assume how it was.   instead, the author described better scenes with dark star and the influence of books about horses in giselle's life and actions.   also the fact that she broke her arm but not referring to it in detail leads the readers to imagine and guess what could have occurred.

well say a good goal is to do 150 sit ups in a week! or 90 pull ups a day. even 60 push ups in a month these are all fair goals!