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resources

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
natural resources   products of the earth that people use to meet their needs  
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renewable resources   cannot be used up; can be replaced  
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nonrenewable resources   cannot be replaced; limited supply  
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acid rain   rain containing high amounts of chemical pollutants  
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deforestation   cutting down trees without replanting  
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conservation   careful use of resources  
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ecosystems   places where plants and animals are dependent upon one another and their surroundings to live  
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death rate   number of people out of every 1,000 who die in a year  
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9. birthrate –   number of children born each year for every 1,000 people  
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10. famine –   lack of food  
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11. population density –   average number of people living in a square mile or kilometer  
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12. urbanization –   movement to cities  
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3. emigrate –   move to another country  
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14. refugee –   – person who flees to another country to escape persecution or disaster  
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15. developed country –   country that is working toward industrialization  
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17. atmosphere –   the blanket of gases, or air, surrounding the earth  
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18. lithosphere –   the earth’s hard outer shell, or land  
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19. hydrosphere –   all the water on earth  
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20. biosphere –   all living things and the environments in which they live  
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Created by: s732094
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