Which of the following scenarios would best explain the drastic reduction in water resources shown by the graph? OA. The vegetation in the California Central Valley region changed from tropical to drought-resistant between 1962 and
2002
OB. Many nonnative species of animals were introduced into the California Central Valley region between 1962 and 2002
OC. The human population of the Central Valley region of California almost doubled between 1962 and 2002.
D.
The California Central Valley region received record amounts of precipitation between 1962 and 2002