The earliest introduction of zebra mussels in united states probably occurs in 1986.
At that time, commercial vessels from Europe went to north America as a place for freshwater ballast stowaway. They merchants then introduced zebra mussels to the market and it gained popularity ever since. They also introduced zebra mussels population in local lakes and let them reproduce there.
<span>it was located at the corner of North Queen and West Walnut Streets at the present site of Lebzelters service station. but it was torn down i think in late 1870 or something</span>
Answer:
B. Exams were based on the ideas of Confucius
Explanation:
The civil service examination system was squarely based upon the Confucian classics and upon recognized commentaries on those classics.
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