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.
The three largest cities in southeastern Australia are Sydney  (capital of New South Wales), Melbourne (capital of Victoria) and  Adelaide (capital of South Australia).t has an area of 424,400 sq km and is located in Western Australia. The second largest desert is the Great Sand â¦ y Desert in Western Australia), with an area of 284,993 sq km. The third largest desert in Australia is the Tanami Desert which extends over part of Western Australia and the Northern Territory.