Definition: A long period of dry weather, when there is not enough water for plants and animals to live

Definition: a substance that covers; a surface that lies between two other things

Definition: the sum of units in a set divided by the number of units

Definition: the layer of bricks, cement, or stones under a building for support; the base of something

Definition: a large natural or artificial lake used as a source of water supply.

Definition: able to work well, without wasting time, money, or energy

Definition: Protecting and preserving natural resources and the environment

Definition: a choice you can make in a particular situation

Definition: the practice of farming or growing food

Definition: extremely serious; very bad

Definition: consequence

Definition: to change from water into steam or vapor

Definition: to reduce to the smallest amount

Definition: suitable for drinking

Definition: a large area of a country or the world

Definition: extremely dry because of hot weather and lack of water

Definition: An underground formation that contains groundwater

A method of landscaping that uses plants that are well adapted to the local area and are drought resistant.

To use up; to drain

To change from one form to another

Characterized by waste; not efficient

A useful thing

The typical weather conditions at a particular location as observed over time

Definition: able to replace itself, unable to be used up

Definition: the removal of salt from ocean water

Definition: the rain or snow that falls on the ground; the amount that falls

Definition: typical of most people or things