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.
Background. Cannabis sativa is the hemp plant from which marijuana (leaves, stems, seeds) are derived. The term marijuana became popular in the 1930s; it was originally a slang word for the medicinal part of cannabis smoked by Mexican soldiers. Hemp refers to the roots, stalk, and stems of the plant, which can be used to make rope and twine. The most potent form of this plant's extracts is hash oil, a liquid.