If `Psih_(w)=` water potential, `Psi_(s)=` solute potential, `Psi_(p)=` pressure potential then select the correct equation showing their inter-relation.
A. `Psi_(w)=Psi_(s)-Psi_(rho)`
B. `Psi_(w)=Psi_(s)+Psi_(rho)`
C. `Psi_(s)=Psi_(w)+Psi_(rho)`
D. `Psi_(w)=Psi_(s)=Psi_(rho)`