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resources

QuestionAnswer
natural resources products of the 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
9. birthrate – number of children born each year for every 1,000 people
10. famine – lack of food
11. population density – average number of people living in a square mile or kilometer
12. urbanization – movement to cities
3. emigrate – move to another country
14. refugee – – person who flees to another country to escape persecution or disaster
15. developed country – country that is working toward industrialization
17. atmosphere – the blanket of gases, or air, surrounding the earth
18. lithosphere – the earth’s hard outer shell, or land
19. hydrosphere – all the water on earth
20. biosphere – all living things and the environments in which they live
Created by: s732094