Money supply. In economics, the money supply (or money stock) is the total amount of monetary assets available in an economy at a specific time. There are several ways to define money, but standard measures usually include currency in circulation and demand deposits (depositors' easily accessed assets on the books of financial institutions).
Smallpox (Variola). Smallpox last appeared in Australia in 1938, and the last case naturally occurring cases in the world was reported from Somalia in 1977. The virus is now only held officially in two secure laboratories.
Many animals were brought to Australia by humans.. The earliest known introduced species is the Dingo, brought here by the Aborigines possibly as early as 40,000 years ago.More recently European settlers introduced large numbers of animals and plants both intentionally (cattle) and unintentionally (mice).any animals were brought to Australia by humans. Some, such as the sheep and cattle, have been vital to the Australian economy. Others have caused serious problems to the Australian environment, native animals and plants. Believe it or not the most destructive animal ever introduced into Australia are humans.