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