<span>began April 12, 1861ended May 9, 1865</span>
<span>Experiments in which all variables are identical except for one are called controlled experiments. This where an observer tests his hypothesis by looking on changes that were brought about by one variable. The results are always dependent on one adjusted variable.</span>
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Shang dynasty : strong central government, good farming methods
zhou dynasty: feudal system, land given to nobles by king,the first chinese dynasty, worship of the god of tian
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The widespread use of paper and printing were features of ancient China ... Traditionally, paper was invented in the early 2nd century CE, but there is ... and, for larger transactions, merchants still preferred the greater security of silver ingots. ... Around 1023 CE, in order to indicate what money they had on ...
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Explanation: dear student which lesson Is this
