Answer:
The opal is the National Gemstone of Australia. The opal is almost exclusively located within Cretaceous sedimentary rocks of the Great Artesian Basin, Intense weathering resulted in extensive silicification at relatively shallow levels within the Tertiary regolith.
They actually don't know for sure what led to the decline but a lot of people believe that the Aryans invaded and conquered the Indus Civilization which would make sense because they were the next people group to live there. I hope this helps!
Answer:
287 years old
Explanation:
His birthday is February 11, 1731
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<span> The Congo was run essentially as a personal fiefdom by the Belgian King Leopold I, who used a great deal of brutality in an effort to essentially extract as much wealth as possible, primarily in the form of rubber, from the colony. Coercive tactics such as mutilation and execution were commonly used in order to ensure compliance. </span>
