What is Ground water and briefly describe measures that can be taken to conserve water in the Mojave

What is Ground water and briefly describe measures that can be taken to conserve water in the Mojave, via reduce water losses through irrigation, industry, and home use; What is one significant change you can make to conserve water? What is the Adjudication; what is the role of the Mojave Water Agency. What would be the impact of increasing the cost of water on water use?