(n): water found underground in soil or rock

(n): a rule or law that limits something

(v): to make something smaller in amount

(n): things that exist in a region and can be used to provide for people

(n): a series of actions taken to make or do something

(n): a way to supply water to land or crops

(v): to become smaller or decrease

(adj): describing a cause that is not the most important one

(adj): something that is necessary

(n): a need or requirement

(v): to provide what is needed to continue doing something

(adv.): in a way that is important or large enough to make a difference