Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

DEQ Exam Prep

DEQ Test Prep Environmental Hazards

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