Two or more pure substances can be mixed together to form a mixture. An example of a mixture of two compounds is alcohol and water. An example of a mixture of elements and compounds is air. The major components of air are hydrogen, oxygen, nitrogen and carbon dioxide. The substances in a mixture can be separated physically via such methods as filtration or chromatography.
Enigma is a German musical project founded in 1990 by Romanian-German musician and producer Michael Cretu. Cretu had released several solo records, collaborated with various artists, and produced albums for his then wife, German pop singer Sandra, before he conceived the idea of a New Age, Worldbeat project.
SYNONYMY NOTE: mystery1 is applied to something beyond human knowledge or understanding, or it merely refers to any unexplained or seemingly inexplicable matter; , enigma specifically applies to that whose meaning is hidden by cryptic or ambiguous allusions, and generally, to anything very difficult to explain; a , riddle1 is an enigma (usually in ...