An aquifer is a large underground mass of rock, gravel, or sand. Within this mass there is water that can be pumped for use. An aquifer is a source of fresh clean water that is needed for industrial use and in homes. When there is too much water being taken, the water level drops. The graph below shows the depth of water in an aquifer that provided water to a region over several years.




Which statements is best supported by the graph?
A.
When the level of water in an aquifer starts to drop, industries should be encouraged to use more ocean water.
B.
When the level of water in an aquifer starts to drop, people should be encouraged to use more river water for home use.
C.
As less water becomes available in the region, water conservation should be encouraged.
D.
As less water becomes available in the region, drilling more water wells in the cities should be encouraged.