What was the original definition of kilogram

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1) What was the original definition of kilogram?

2) What is the current definition of the kilogram based on?

3) What was the original definition of the second?

4) What is the current definition of the second based on?

5) What was the original definition of the meter?

6) What is the current definition of the meter based on?

Reference no: EM131197409

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