Itisprofitabletodrilltodepthsmorethan1,000feetforoilandgasextraction,butonlyrecentlyinCaliforniahasitbecomeprofitabletopumpwaterfromthisdepth.Theaquifersrangefrom1,000to3,000feetbelowtheground,whichmeansthatpumping,willbeexpensiveandthereareotherconcerns.Whatcanbeinferredaboutextractingwaterfromdeepaquifers?
A
It was deemed vital to solving the water problem.
B
It was not considered worth the expense.
C
It may not provide quality freshwater.
D
It is bound to gain support from the local people.
