Waves move out through the ground from the source of an earthquake. true or false

Bis the

Mars contains iron oxide in its crust

Six base units were recommended: the metre, kilogram,second, ampere, degree kelvin (later renamed kelvin), and candela. in 1960, the 11th  cgpm  named the system the international system of units, abbreviated si from the french name, le système international  d'unités.