Science
Physics
One possible unit of speed is
A.
Miles per hour
B.
Light years per century
C.
Kilometers per hour
D.
All of the above
E.
None of the above
One possible unit of speed is
A.
Miles per hour
B.
Light years per century
C.
Kilometers per hour
D.
All of the above
E.
None of the above
D. All of the above