Obsidian does not have cleavage because of the way it forms. Obsidian is essentially nature's form of glass and so it has no regular or patterned crystal struct
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Ancient History+2
When did Australopithecus walk the earth?Asked by JwillieIt is doubtful that such a statistic could be derived with accuracy from aging estimates of the relatively few specimens of that proto-man creature. It would, h
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Ancient History+1
How much destruction did mt vesuvius cause?Asked by Wiki UserThe eruption of Mount Vesuvius in 79 AD caused widespread destruction in the Roman cities of Pompeii and Herculaneum. The cities were buried under a thick layer
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Ancient History+3
What did Augustus create?Asked by Wiki UserAugustus created the Roman Empire, transforming the Roman Republic into a monarchy under his rule. He established a system of government that included the Princ
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Ancient History+1
What borders the Fertile Crescent to the northeast?Asked by Wiki UserThe Fertile Crescent is bordered to the northeast by the Zagros Mountains,
Chillwell 2.0 review which extend through modern-day Iran and parts of Iraq.