Mystery site #9 • This site dates back to 40,000 y. a.
• Site is in southeastern Australia.
• 2 skulls found here indicate the earliest evidence of H. sapiens in Australia.

The answer is "Lake Mungo".

Explanation:

In the Mysteries, the Lake Mungo was the digital media platform for students for secondary education. It's included in Australia's history on their sites mysteries information. It is designed to allow children to discover the extensive culture of Australia.  

In Lake Mungo, southeast of south wales, ’s largest known remains were found. In t his site, it was inhabited during the deepest parts of the ocean Lake process around 45000 and 20000 years ago. And over the past 16,000 years, Lake Mungo was without irrigation and is now a desert.

in 342 bc j._c. egypt fell into the hands of the persians, under the reign of nectanebo ii

greek city-states unite in a revolt against the persian empire at the beginning of the fifth century bc. j.-c  

from the year 660 or 659 bc ad, cyrus preached the revolt against the medes to deliver the persians.

the arab empire adopted the muslim religion as their main belief. arabs would influence the people from the territories they invaded towards islam (the muslim belief).

nevertheless, throughout the history of the arab empire, rulers brought intellectual individuals from other religions to their centers of learning. these other foreigners included jews, christians, greeks, persians, and indians.   these resulted in the adoption of important knowledge developed by these cultures by the arabic empire. for example, the works of aristotle were translated from greek to arab and indian scientists brought the numerical concept of "zero" to the arabs.

nowadays, 93% of the arab population is muslim, which at the same time is subdivided in sects including the sunni, zaini, alawi, shia. the remaining 7% is composed mainly of christians.