Which one of the following pairs is not correctly matched ?

ANS:A - Water losses....Evaporation

a) Evaporation is one of the loss from the water body.
b) Runoff means excess rainfall / effective rainfall/ water flows on soil strata ( surface or subsurface).
c) The flow of water within the soil mass is percolation.
d) Stormwater means precipitation occurs suddenly with a short duration like instantaneous hydrograph.