Answer: Migrants have contributed to the development and expansion of small businesses, which are the cornerstone for the Australian economy. They have contributed to the development of technology bringing to the country cutting edge technology in particular from Asia and Eastern Europe.
Explanation: i hope this helps :)
Process by which new rock is made from old rock; rock cycle
The rock cycle is a recycling process by which igneous, metamorphic, and sedimentary rocks are produced, converted from one form to another and destroyed. The rock cycle is a continuous process that has been occurring throughout the history of the earth. The major processes of the rock cycle include sedimentation, crystallization, metamorphism and erosion.
Answer: The map scale
Explanation: A Map Scale is defined as the ratio of the distance on a map to the distance on the surface the map represents. For example, 1 centimetres on a map represents 10 kilometres on the surface of the Earth. What this means is that for every 1 centimetre you measure on the map, that equates to 10 kilometres on Earth/ real life.