Surface runoff and groundwater are the primary sources of freshwater, which are constantly refreshed and recharged by the

Concept: The hydrological cycle may be a noticeable strategy to revive the new water assets. It includes the vanishing of water into water vapor by the warm of the sun which advance condenses into little water beads which drop on the soil as rain. 

This nonstop reusing of water leads to reviving of the water assets.

Hence. the correct answer is option B.