Marijuana is a green, brown or gray mixture of dried, shredded leaves, stems, seeds and flowers of the hemp plant Cannabis sativa Sinsemilla, hash/hashish.
Carbon monoxide was first prepared by Lasson in 1776,by heating zinc oxide with wood charcoal.It was mistaken for hydrogen, because it burnt with a pale.
APES 2013- 2014 INDOOR AIR POLLUTION NOTES. INDOOR AIR POLLUTION The quality of indoor air can be two to five times (and even up to 100 times) more polluted.
Smokeless Tobacco- Ground up tobacco leaves, inhaled or chewed rather than smoked.
Mechanisms for Explaining Health and Health Care Disparities: Implications for Measures and Methods Eliseo J. Pérez-Stable, MD EPI 222 Clinical Research.