The major source of the water stored as groundwater is ...

[Marty]

The major source of the water stored as groundwater is ___________________ _. Fill in the blank(s) with the appropriate word(s).

Question 2

The water stored in the open spaces within underground rocks and unconsolidated material is called
  ___________________ _. Fill in the blank(s) with the appropriate word(s).

[dantucker]

Answer to Question 1

precipitation

Answer to Question 2

groundwater