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Water, Air, and Land
Unit 4: Environmental Science
| Question | Answer |
|---|---|
| Example of a watershed | Mississippi River |
| Area above an aquifer | recharge zone |
| Water that is safe to drink | potable |
| Organisms that cause illness or disease | pathogens |
| Law designed to improve water quality | 1972 Clean Water Act |
| Surface water that percolates through soil | groundwater |
| 97% of the world's water resources are found in __? | salt water |
| Earth's surface water is found in __? | lakes, rivers, and streams |
| Most of the oil that pollutes the ocean comes from __? | runoff from cities and towns |
| The three major global uses of fresh water are __? | residential, agricultural, and industrial uses |
| Possible long-term effect of air pollution | lung cancer |
| Atmospheric condition trapping pollution | temperature inversion |
| Possible long-term effect of noise pollution | deafness |
| Example of a primary pollutant | soot from smoke |
| Cause of sick-building syndrome | fungi |
| Rain frequently results whenever | warm, moist air rises |
| Destroys stratospheric ozone | CFCs |
| Caused by wind and influenced by Earth's rotation | surface ocean currents |
| Increases when fossil fuels are burned | atomspheric CO2 |
| What absorbs UV light in the stratosphere? | Ozone |
| Land that contains relatively few people and large areas of open space is considered | rural |
| Clear-cutting | deforestation |
| Development | Urbanization |
| Can affect weather patterns over a city | heat island |
| The two methods of tree harvesting | reforestation and clear-cutting |
| All things that a society builds for public use | infrastructure |
| Rapid expansion of a city into the countryside around the city | urban sprawl |
| A national Farmland Protection Program to help ___, ___, and ___ protect farmland in danger of being __ or ___. | state, county, and local governments; paved over or developed |
| What happens to the land when animals overgraze? | becomes degraded |
| Formed when sulfur oxides or nitrogen oxides combine with water | acid precipitation |