Look at the figure given below and answer the following questions:
![](https://www.sarthaks.com/?qa=blob&qa_blobid=11950051978339863555)
a. The groundwater level is ………. meters below the ground level.
b. In summer if the water level goes down to 10 meters below the ground level which of the four wells will go dry?
c. Which well will have maximum water available?