Divergent Boundary These boundaries form the global mid-ocean ridge system which is the largest mountain chain on Earth. Plate Tectonics Find out lots of fascinating facts and interesting trivia on plate tectonics.
Marijuana comes from the hemp plant Cannabis sativa. It has an active ingredient called THC that makes you feel high. THC and other compounds in marijuana can also affect the way your body works. Most people smoke the plant's dried leaves, flowers, stems, and seeds. But marijuana can also be mixed into food (like brownies, cookies, and lollipops), brewed as a tea, or inhaled with a vaporizer.
Marijuana's effects on human cognitive functions, psychomotor functions, and personality. Murray JB. Marijuana is complex chemically and not yet fully understood, but it is not a narcotic. Like alcohol, marijuana acts as both stimulant and depressant, but it lingers in body organs longer than alcohol. Smoking marijuana can injure mucosal tissue and may have more carcinogenic potential than tobacco.