| Question | Answer |
| the process by which water is brought to an area for use on crops is called: desalination, purification, irrigation, sedimentation | irrigation
|
The largest consumer of water in the United States is: agriculture, industry, urban centers, residential areas | agriculture
| In the home, most water is used for: cooking, drinking, personal hygiene, washing dishes | personal hygiene
| Water that is fit for use as drinking water is said to be: polluted, runoff, contaiminated, potable | potable
| The type of irrigation that makes use of sprinkler systems is: flood irrigation, drip or trickel irrigation, furrow irrigation, overhead irrigation | overhead
| The most wasteful and inefficient type of irrigation is: flood irrigation, drip or trickle irrigation, overhead irrigation, subirrigation | flood
| Many reservoirs are fed by underground water supplies flowing in: pipes, aquifers, streams, runoff | aquifers
| The water-treatment process in which water is forced into the air is called: purification, aeration, sedimentation, filtration | aeration
| Particles in the water are able to settle out by: filtration, aeration, sedimentation, boiling | sedimentation
| Two chemicals used to purify water are: bicarbonate and calcuim, sulfur and oxygen, fluorine and sodium, ozone and chlorine | ozone and chlorine
| True/False? distillation is the process used by water-treatment plants to kill dangerous microorganisms | False
| True/False? reverse osmosis is a method of aeration? | false
| True/False? groundwater can be a source of surface water | true
| True/False? subsidence can result when overdraft occurs? | true
| True/False? Coagulantes are used to aid in sedimentation? | true |
