The main reason is that the USA is in the Northern Hemisphere & Australia is in the Southern Hemisphere. It has all to do with the tilt of the earth as it revolves around the Sun. Summer happens in the hemisphere tilted towards the Sun, and winter happens in the hemisphere tilted away from the Sun.
It was devoloped in China.
Droughts is your answer because flooded their dam by destroying it and put malaria in the water which flooded.
There is now way to increase nonrenewable resources you can only conserve the nonrenewable resource
