The ideas, things or events people feel are important in the life of an individual, called as values. The way they think, the things they do and the events that people feel are important in life because it makes life worth it. As every person is different from other, it is their values that makes one different from other. It is the only thing that makes a human behavior.
When water vapor condenses to become water again, it is relatively pure. while it occurs during the water cycle, it can be used to purify water for drinking.