Subject :NSO Class : Class 7
Read the following statements.
(P) _______ is the upper limit of the ground water
that fills the space in soil and rocks.
(Q) _______ are the places between layers of hard
rocks that collect seeped water.
(R) The groundwater gets recharged by _______.
(S) Ground water is almost free of _______.
Select the option that correctly fills up the blanks in any two statements.
AQ - Infiltration, S - Impurities
BP - Infiltration, R - Aquifer
CR - Pump, S - Minerals
DQ - Aquifer, R - Infiltration.