what are some of its common ones?
Mètre des Archives and Kilogramme des Archives
Metric system
"Mètre des Archives" and "Kilogramme des Archives
which unit is used to measure mass in the metric system UNANSWERABLE what is this system? It  is a system of measurement that succeeded the decimalised system based on the metre introduced in France in the 1790s.
wiki:11612284
Metric system [SEP] Common metric systems
A number of different metric system have been developed, all using the "Mètre des Archives" and "Kilogramme des Archives" (or their descendants) as their base units, but differing in the definitions of the various derived units.