These cancer potencies are derived from the respective levels of carcinogen emissions, obtained through analytical chemistry, and their associated inhalation unit risks (i.e., the excess lifetime cancer risk from continuous inhalation exposure to a normalized concentration of the carcinogen)
Some students, naturally, will ignore my guidelines and take the easy way out, recycling a short story they wrote for a previous fiction class, putting their first name on the middle-age character, who happens to have gray hair and shares no characteristics, as far I can tell, with the twenty-year-old author
This can be done with a fingernail, the edge of a credit card or tweezers
No differences were observed when comparing the occurrence of centrilobular nodules between marijuana and tobacco-only smokers
He's eating well, running good times, packing on muscle, can handle himself in a room full of people and has been ordering his own meals at restaurants for years