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.
1. Sahara Desert. The Sahara Desert is the world's largest hot desert; it stretches over 3,500,000 square miles in Northern Africa.The Great Victoria Desert stretches across 163,900 square miles in both South Australia and Western Australia.Summers in the Arabian desert are quite intense; temperatures can reach as high as 129 Â°F.alahari Desert. 1. Sahara Desert. The Sahara Desert is the world's largest hot desert; it stretches over 3,500,000 square miles in Northern Africa. The Great Victoria Desert stretches across 163,900 square miles in both South Australia and Western Australia.