Question | Answer |
Megalopolises | Areas where cities have grown so large they run into each other. |
Developing countries | Countries seeking to industrialize, but still wanting to follow traditional ways. |
Developed Countries | like the United States, have long been industrialized and can offer slandered of living. |
Stancerd of living | The measure of a persons' wealth and personal well-being |
Deforestation | One of e by-products of growing world population |
Habitats | The special environments required for particular organisms to live. |
Desertification | The turning of fertile land into desert. |
Drought | Long periods without rain. |
Subsistence farmers | Growing just enough food to meet their needs |
Slums | The rundown, Poverty stricken portions of a city. |
Nonrenewable resources | Coal, petroleum, natural gas.when ran out these resources will be gone forever. |
Acid rain | The surfer gases produced by factories mixes with moisture in the air |
Greenhouse effect | The gases trap solar energy in the form of heat. |
Chlorofluorocarbons (CFCs) | The gases used in aerosols, air conditioning, refrigerators, and foam packaging |
Ozone layer | A thin protective layer of gas in the upper atmosphere. |
Ozone hole | This starts appear each August and reaches its largest size in October. |
Sustainable Development | Economic development that doesn't limit the ability of future generations to meet their needs. |
Green revolution | Provided new strains of rice, corn, and other grains that have high yields. |