Answers

2014-01-11T18:29:40+05:30
·         length was needed. The In 18th century the people felt that they should have a standard unit.So there was a academy named the French academy how named meter and defined it as the standard those days it was so important that the people said that it was the dimension of the planet.Even the imaginary line of the Earth is said to be 10 million meters. 
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