Environmental Challenges
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Megalopolis | Areas where cities have grown so large they run into each other
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| Developing country | Countries seeking to industrialize, but still wanting to follow traditional ways
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| Developed countries | Like the U.S., have long been industrialized and can offer a higher standard of living
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| Standard of Living | The measure of a persons's wealth and personal well-being
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| Deforestation | The clearing of forests
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| Habitat | The special environments required for particular organisms to live
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| Desertification | The turning of fertile land into desert
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| Droughts | Long periods without rain
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| Subsistence farmers | People who grow just enough food to meet their needs
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| Slums | The rundown, poverty-stricken portions of a city
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| Nonrenewable resource | Fuels that take millions of years to produce, when they run out, they will be gone forever
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| Acid rain | Poisonous downpours
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| Greenhouse effect | Gases that trap solar energy in the form of heat, the same way that a nursery greenhouse does
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| Chlorofluorocarbons (CFC's) | The gases used in aerosols, air conditioning, refrigerators, and foam packaging, has also raised concern among scientists
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| Ozone layer | A thin, protective layer of gas in the upper atmosphere
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| Ozone hole | Seasonal reduction of ozone over Antarctica
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| Sustainable development | Economic development that does not limit the ability of future generations to meet their needs
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| Green Revolution | A solution to feeding the world's population
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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