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AP Environmental Science

Subjects : science, ap
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Can consist of hazardous waste - industrial solid waste - or municipal waste. Many types of solid waste provide a threat to human health and the environment.






2. When physically treated sewage water is passed into a settling tank - where suspended solids settle out as sludge; chemically treated polymers may be added to help the suspended solids separate and settle out.






3. Pollution that does not have a specific point of release - open -loop recycling -when materials are reused to form new products.






4. The number of children a couple must have in order to replace themselves in a population.






5. Organisms that consume secondary consumers or other tertiary consumers.






6. A process in which rows of crops are plowed across the hillside; this prevents the erosion that can occur when rows are cut up and down on a slope. ...






7. Organisms that consume primary consumers.






8. A platinum - coated device that oxidizes most of the VOCs and some of the CO that would otherwise be emitted in exhaust - converting them to CO2.






9. Any compound that releases hydrogen ions when dissolved in water. Also - a water solution that contains a surplus of hydrogen ions.






10. The area or environment where an organism or ecological community normally lives or occurs.






11. An organism that is capable of converting radiant energy or chemical energy into carbohydrates.






12. In a sewage treatment plant - the initial filtration that is done to remove debris such as stones - sticks - rags - toys - and other objects that were flushed down the toilet.






13. The A layer of soil is often referred to as topsoil and is most important for plant growth.






14. An organism such as a bacterium or protozoan - that obtains its nourishment through the oxidation of inorganic chemical compounds - as opposed to photosynthesis.






15. The industry or occupation devoted to the catching - processing - or selling of fish - shellfish - or other aquatic animals.






16. The degree to which a substance is biologically harmful.






17. The development and introduction of new varieties of (mainly) wheat and rice that has increased yields per acre dramatically in countries since the 1960s.






18. The result of chemical interaction with the bedrock that is typical of the action of both water and atmospheric gases.






19. An organism that obtains organic food molecules without eating other organisms or substances derived from other organisms. autotrophs use energy from the sun or from the oxidation of inorganic substances to make organic molecules from inorganic ones.






20. When the majority of a building's occupants experience certain symptoms that vary with the amount of time spent in the building.






21. A usually triangular alluvial deposit at the mouth of a river.






22. A fishing technique in which the ocean floor is literally scraped by heavy nets that smash everything in their path.






23. The capacity to do work.






24. A climate variation that takes place in the tropical Pacific about every three to seven years - for a duration of about one year.






25. Organisms in the first stages of succession.






26. Countries that have a renewable annual water supply of less than 1 -000 m3 per person.






27. Living or derived from living things.






28. The number of children an average woman will bear during her lifetime; this information is based on an analysis of data from preceding years in the population in question.






29. Smog resulting from emissions from industry and other sources of gases produced by the burning of fossil fuels - especially coal.






30. A hydrocarbon that forms as sediments are buried and pressurized.






31. One that has never been cut; these forests have not been seriously disturbed for several hundred years.






32. A group of organisms of the same species that live in the same area.






33. The broad category under which selective cutting and shelter-wood cutting fall; selective deforestation.






34. A nuclear reaction in which an atomic nucleus - especially a heavy nucleus such as an isotope of uranium - splits into fragments - usually two fragments of comparable mass - releasing from 100 million to several hundred million electron volts of ener






35. The number of live births per 1 -000 members of the population in a year.






36. The edges of tectonic plates.






37. Biotic and abiotic natural ecosystems.






38. A soil horizon; the layer below the O layer is called the A layer. The A layer is formed of weathered rock - with some organic material; often referred to as topsoil.






39. Calculating risk - or the degree of likelihood that a person will become ill upon exposure to a toxin or pathogen.






40. The point at which 50 percent of the test organisms show a negative effect from a toxin.






41. A high-speed - meandering wind current - generally moving from a westerly direction at speeds often exceeding 400 km (250 miles) per hour at altitudes of 15 to 25 km (10 to 15 miles).






42. The act or process of transpiring - or releasing water vapor - especially through the stomata of plant tissue or the pores of the skin.






43. When mature trees are cut over a period of time (usually10 -20 years); this leaves mature trees - which can reseed the forest - in place.






44. The effect caused by a short exposure to a high level of toxin.






45. Fish farming in which fish are caught in the wild and not raised in captivity for consumption.






46. An organism that must obtain food energy from secondary sources - for example - by eating plant or animal matter.






47. When soil becomes water-logged and then dries out - and salt forms a layer on its surface.






48. A fiscal policy that lowers taxes on income - including wages and profit - and raises taxes on consumption - particularly the unsustainable consumption of non-renewable resources.






49. Air currents caused by the vertical movement of air due to atmospheric heating and cooling.






50. The molten core of the Earth.







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