Exam Study guide Word Scramble
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Term | Definition |
natural resources | products of earth that people use to meet their needs |
renewable resources | cannot be used up; can be replaced |
nonrenewable resources | cannot be replaced; limited supply |
acid rain | rain containing high amounts of chemical pollutants. |
deforestation | cutting down trees without replanting |
conservation | careful use of resources |
ecosystems | places where plants and animals are dependent upon one another and their surroundings to live. |
death rate | number of people out of every 1,000 who die in a year. |
birth date | number of children born every year for every 1,000 people |
famine | lack of food. |
population density | average number of people living in a square mile or kilometer |
urbanization | movement to cities |
emigrate | move to another country |
refugee | person who flees to another country to escape persecution or disaster. |
developed country | country in which a great deal of manufacturing is carried out. |
developing country | country that is working toward industrialization |
atmosphere | the blanket of gases, or air surrounding the earth. |
lithosphere | the earth's hard outer shell, or land. |
hydrosphere | all the water on earth. |
biosphere | all living things and the environments in which they live. |
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