Answer:
A.) They provide water to areas of the state with little rainfall.
Step-by-step explanation:
An aquifer is an underground layer of water, located between rocks. Groundwater can be extracted using a water well and has been used for centuries to provide water for several cultures. Water in some aquifers is easy to extract than in others.
In Oklahoma, there's an underground network of aquifers with six major aquifers that provide water to different parts of the state.