Radioactive decay, also known as nuclear decay or radioactivity, is the process by which a nucleus of an unstable atom loses energy by emitting radiation. A material that spontaneously emits such radiation â which includes alpha particles, beta particles, gamma rays and conversion electrons â is considered radioactive.
Best Answer: Four of the larger Australian deserts are the Great Victoria Desert, the Gibson Desert, the Tanami Desert and the Great Sandy Desert. That accounts for most of the west of the continent, nearly two-thirds. Name four states that would be included in at least one of the North American deserts.
Best Answer: Usually at the latitudes of the Tropics of Cancer and Capricorn because of the patterns of global atmospheric circulation. The Sahara is the world's largest hot desert. At over 9,000,000 square kilometers (3,500,000 sq mi), it covers most of Northern Africa. Other large deserts are located in Mongolia/northeastern China, Argentina, southern Arabian peninsula, northwestern Australia, southwestern Australia, etc. You can see the following link: