1. A reaction between an acid and a base that yields a salt and water. 2. The rendering ineffective of an action or substance, such as a drug. 3. The change of an acid solution to neutral by titration of an alkaline solution. 4. The change of an alkaline solution to neutral by titration of an acid solution.
Marijuana originated in Central and Southern Asia. It was discovered growing in the wild in China. China is known principally for its tea and opium, the great number of its people, itâs massive high-rises, but not really known for the discovery place of marijuana.
The history of marijuana use reaches back farther than many would guess. Cultivation of the plant dates back thousands of years. The first written account of cannabis cultivation (ostensibly used as medical marijuana) is found in Chinese records dating from the 28th century B.C.E.