| A | B |
|---|
| culture | the way of life of a group of people with common traditions, interests, and beliefs |
| subsistence farming | depends heavily on human labor, animal power, and basic farm tools |
| population distribution | the population pattern of the world |
| population density | the average number of people in a square mile |
| tornado | a powerful whirling wind storm |
| hurricane | a powerful whirling storm that forms over oceans |
| tsunami | ocean waves |
| pollution | unclean or impure elements in the environment |
| civilization | a culture that has organized a social, economic, and political system, built cities, and achieved a certain level of development in the arts and sciences |
| history | studying the written information about a people's past to learn what, how, and why things happened |
| prehistory | the time in a people's past before written records were kept |
| culture hearth | places where civilizations began |
| cultural diffusion | the spread of people, ideas, practices, and goods from one culture to another |
| culture region | division of the earth based on a variety of factors, including government, social groups, economic systems, language, or religion |
| government | a group's political system |
| standard of living | measures the quality of life based on available material goods |
| economic system | the way in which the people of the country produce, get, and use goods and services |
| per capita income | measures how much money per person a country or a region earns |
| free enterprise | private businesses operate with little interference from government |
| capitalism | an economic system based on free enterprise,as in the United States |
| socialism | the government decides how resources will be used and how businesses will be run |
| language family | group of languages having similar beginnings |
| religion | an organized way of worshiping a spiritual being or thinking about life |
| geography | the study of the earth and the ways people live and work on it |
