In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular diffusivity (ζ) and thermal diffusivity (α). The units of these quantities are ?
A. Μ , α and θ all have units of m/s
B. Μ , α and θ all have units of m2/s
C. Α and θ have units of m2/s, while μ has unit of m/s
D. Α and θ have units of m/s, while μ has unit of m2/s
