Read the given paragraph where few words have been italicised. Irrigation ensures that the crops get water whenever they need it during growing season. Tube wells are surface water source of irrigation. They get water from porous soil strata. Canal system of irrigation draws water from rivers and is also related to generation of hydroelectricity. River lift system is advantageous in those areas where rivers and is also related to generation of hydroelectricity. River lift system is advantageous in those areas where river water is easily available. Both canals and river lifts are groundwater sources of irrigation.
Select the correct option regarding this.

Options

A. The positions option regarding this. Should be interchanged.
B. Soil strata should be replaced by river.
C. The positions of surface water and groundwater should be interchanged.
D. Canal should be replaced by tank.

Answer

C