What was the original definition of 1 metre?
Correct answer: 1/10000000 of the distance between the North Pole & Equator
Soleil10001
Fascinating! This playful learning is a useful (p)leasure.
Player #11400642
PMP, the gram hasn't been defined by the mass of water since 1964.
PMP
A gram is defined as the weight of one cubic centimeter of distilled water at sea level.