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History 8.1
Man and his Environment
| Question | Answer |
|---|---|
| carcinogen | any substance that causes cancer |
| contaminants | those things that pollute the air and water, flr example, chemicals and raw sewage |
| derivative | a substance coming from the chemical change of another substance |
| ecological system | the orderly way in which plants and aimals interact to assure the survival of each |
| environment | the earth God created as a home for all living things |
| environmental protection agency | a federal government agency with powers to regulate and control pollution offenders |
| erroneous | mistake; in error |
| fossil | any hardened remains of plant or animal life preserved in rock formations |
| fossil fuels | natural gas, petroleum, and coal |
| habitat | a region where a plant or animal naturally grows and lives |
| hydroponic | growing plants in solutions containing the necessary minerals, instead of soil |
| inflation | the accelerating rise in cost of living |
| leukemia | disease of the blood-forming tissues |
| limnologist | one who studies the biological, chemical, geographical, and physical features of fresh waters, especially lakes and rivers |
| megalopolis | an extensive, heavily populated place, usually an urban area that involves a network of cities |
| nicotine | a poison found in tobacco leaves |
| peptic ulcer | an open sore on the lining of the stomach |
| phosphate | a chemical used in some laundry detergents and as a fertilizer that is harmful to the environment |
| psychosomatic illness | a physical dicorder in the body caused or aggravated by a mental or emotional problem or stress |
| shale | a fossil rock containing minerals such as oil |
| socioeconomic | pertaining to the particular person or group |
| subdivision | an area of land divided into small parcels so houses or apartments may be built on each separate lot |
| tuberculoses | a disease of the lungs |