The correct options are
A It recharges wells.
C It provides moisture for natural vegetation.
D It is a source of potable water in some rural areas.
Groundwater is the water stored under ground. In many rural areas groundwater extracted through hand-pumps is used as potable water. Ground water has a significant role in recharging of wells and it also maintains an optimum level of moisture in the innner layer of soil, which supports natural vegetation.