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env sci test
science
| Question | Answer |
|---|---|
| The three major global uses of fresh water are | Residential, agricultural, and industrial uses |
| Mississippi river | Watershed |
| Area above an aquifer | recharge zone |
| Bottled water | potable |
| bacteria | pathogen |
| multiple sources | nonpoint-source pollution |
| fertilizer runoff | artificial eutrophication |
| law designed to improve water quality | 1972 clean water act |
| surface water that percolates through soil | groundwater |
| Water that is found in lakes, rivers, and streams is called | surface water |
| A large area of land that is drained by a river is known as a | watershed |
| An artificial lake created by building a dam is called a | reservoir |
| underground rock formation that holds water | aquifer |
| an area of land through which water percolates to be stored as groundwater is known as | recharge zone |
| a process that removes the salt from salt water to make fresh is called | desalination |
| Water pollution that washes into storm sewers from many places, such as parking lots and lawns, is known as | nonpoint-source pollution |
| disease-causing bacteria, viruses, and parasitic worms that can contaminate a water supply are known as | pathogens |
| an accumulation of pollutants at successive levels of the food chain is called | biomagnification |
| a process by which nutrients increase in a lake while oxygen levels decrease as a result of human activity is know as | artificial eutrophication |
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