Not really.
The second is one of the SI system's seven BASE (not 'basic') units.
The SI unit of time is the "second".
The SI unit for speed is meters per second.
The SI unit for time is the second.
A second is a SI base unit.
s of course it is unit in SI system.........according to it..........
The SI unit is the second.
second
A second.
A second.
The second
The SI unit of mass is the kilogram. However the prefixes are based on the gram.
Yes, the SI base unit for time is one second.