A because the industrial revolution led to businesses expanding and creating more job openings in different areas
Most hills are "B. Not steep", since for it to be a hill it needs to be somewhere in between the elevation of flat land and mountainous land, which of course is much higher and usually steeper.
The following were established before 400 AD: Hinduism - created around 1500 BC. Buddhism - a definitive objective of a Buddhist is to achieve the condition of edification and free oneself from interminable resurrection and enduring. Christianity - it is the world's greatest religionIslam - Islam started in Arabia and was uncovered to humankind by the Prophet Muhammad. The individuals who take after Islam are called Muslims. Muslims trust that there is just a single God. Confucianism - created in China by Master Kong in 551-479 BC
I think that one of the main ones most of the time is drought as we have such a dry and hot climate. But currently flooding is an issue, in Tasmania we just had the biggest flood since the 1921 floods (Look it up).
Northern parts of Australia are also prone to tropical cyclones
