DEQ Test Prep Environmental Hazards
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each of the black spaces below before clicking
on it to display the answer.
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| Carrying agent | Vector
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| Risk | Defined as a probability of suffering injury
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| Incidence of disease in a population which is used to trace the presence of a particular type of illness such as influenza & diarrhea | Morbidity
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| Incidence of death in a population | Mortality
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| Urban environment metal from vehicle exhaust and industrial process | Lead
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| Secondary pollutant produced from the interaction of hydrocarbons and nitrogen oxides in sunlight: | Ozone
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| Two common oxides from the vehicle exhaust and fixed combustion process | Nitrogen Oxide and Sulfur Oxide
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| Chemicals found in water with a high nitrogen content | nitrates
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| Chemicals resulted in due the incomplete combustion of fuels | Carbon Monoxide
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| 3 heavy metal chemicals in soil and water: | arsenic, aluminum and mercury
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| Air contains mainly.... | 78 % nitrogen gas
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| Living species consume nitrogen in the forms of: | Ammonium ions and nitrate ions
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| Ability of substances to convert nitrogen gas into ammonia is known as: | nitrogen fixation
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| Living and non living systems constitute of... | matter
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| Basic building blocks of all matter are: | atoms
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| Gaseous pollutant from sewage treatment plants and anaerobic decay... | Ammonia
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| Gaseous pollutant from combustion and natural gas leaks; anaerobic decay from ruminants | Methane
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| Gaseous pollutant produced from industrial emissions: | Ozone
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| Gaseous pollutant from coal and oil combustion; source of volcanic eruptions: | Sulfur Dioxide
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| Gaseous pollutant from high temperature combustion; source of bacterial activity in soils: | Nitrogen Oxides
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| Gaseous pollutant from vehicle emissions: | Carbon Monoxide
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| Chemical that causes eye and throat irritation, one of the primary sources of smog and acid rain: | Nitrogen Oxide
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| Produced from photochemical reactions in certain pollutants in the air: acts as a secondary pollutant: | Ozone
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| 3 categories of water pollution impurities are: | 1. Suspended particles
2. Colloidal Particles
3. Dissolved Matter
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| Examples of suspended particles: | sand, coal dust, and bacteria
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| Examples of colloidal particles: | Soot and some viruses which can not be removed by ordinary filtration
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| Examples of dissolved matter: | Smallest Impurities of Water
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| Water percentage of the ocean considering global world scale: | 97.2 %
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| Most of the freshwater is located in the: | ice sheets and glaciers
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| The relative percentage of freshwater in the freshwater lakes: | 0.009 %
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| The relative percentage of freshwater in the atmosphere: | 0.001 %
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| The relative percentage of freshwater in the soil: | 0.005 %
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| The relative percentage of freshwater in the ground: | 0.62 %
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| The relative percentage of freshwater in the ice sheets and glaciers | 2.15 %
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| Example of point sources of pollution | 1. municipal waste
2. industrial facilities
3. combustion sewer overflow
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| Examples of non point sources of pollution: | 1. agricultural runoff
2. urban runoff
3. mining runoff
4. construction runoff
5. septic systems
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| Metal pollutant from older lead pipes. It is thought to impair mental ability. | lead
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| In the water areas, these chemicals are the source of runoff from agricultural areas: | nitrates
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| Please, give 4 examples of wetlands: | 1. Swamps
2. Freshwater and saltwater marshes
3. Mangrove forests
4. Bogs
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| A term to describe food waste: | Garbage
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| Solid waste formal definition: | "Any garbage, refuse, sludge from a waste treatment plant, or air control pollution control facility and other discarded material, including solid, liquid, semisolid, or contained gaseous material...
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