APES Ch. 21/22
Terms
undefined, object
copy deck
- runoff, buffer zones, nitrogen-fixing
- Farmers can sharply reduce fertilizer runoff by controlling _____, planting _____, planting _____ plants, and using prescribed amounts of fertilizer.
- phosphate detergents, household cleners
- All of the following contribute to improvents in the Great Lakes water quality: banning _____, upgrading sewage plants, and banning dumping of _____.
- consensus science
- The G.H. effect is best described as _____.
- leaking air conditioners
- The single greatest contributor to CFC emissions in the US is _____
- thermal shock
- Thermal pollution can kill organisms adapted to a particular temperature range by _____.
- methyl bromide, carbon tetrachloride halons, and CFCs
- Chemicals capable of destroying ozone include: methyl bromide, carbon tetrachloride halons, and CFCs
- COMPUTER MODELS, CHEMICAL ANALYSIS OF SEDIMENTS, ANALYSIS OF INDICATOR SPECIES AND CHEMICAL ANALYSIS OF WATER SAMPLES
- To determine the presence and concenration of water pollutants, scientists are more likely to use COMPUTER MODELS, CHEMICAL ANALYSIS OF SEDIMENTS, ANALYSIS OF INDICATOR SPECIES AND CHEMICAL ANALYSIS OF WATER SAMPLES.
- Organic oxygen-demanding
- _____ wastes are removed to the greatest extent by combined primary and seondary wastewater treatment.
- coagulating agents
- One chemical method for cleaning up oil spills is ____.
- 100
- For drinking water, the WHO recommens a level zero coliform bacteria colonies per _____ milliliers of water sample.
- Zooplankton
- _____ is least likely to be affected by ocean debris.
- inorganic plant nutrients
- Nitrates and phosphates are examples of _____.
- 0.1
- Solar output caries in 11-year and 22-year cycels by about 0.1
- soil sequestration
- The _____ approach to global warming cleanup involes plans storing carbon dioxide.
- lag time
- The story of the discovery of the effects of CFCs and the political response to that knowlege best illustrates _____ in a complex system.
- chlorine
- The lack of soium in he lower stratosphere leads to the conclusion that _____ from evaporation of sea spray does no play a large role in ozone depletion.
- diluting, dispersing, degrading
- Some scientists say that deep-water ocean is an aquatic ecosystem most capable of _____,_____, and _____ large amouns of sewage, sludge and oil.
- political instability
- In a warmer world, increasing numbers of environmental refugees would likely cause _____.
- heat, toxic metals
- The most ecologically responsible way to dispose of sewage sludge is treating it with _____ to kill harmful bacteria, removing _____, and using it as fertilizer.
- cultural eutrophication
- In _____, game fish die from suffocation from lack of oxygen.
- Oxygen sag curves
- _____ occur when oxygen demanding wastes are added to the water.
- 1
- Chesapeake Bay has been quite vulnerable to pollution because it is shallow and flushes _____% of the pollutants that enter it.
- low, high
- Experts rate groundwater pollution as a _____-risk ecological but _____-risk health problem.
- 10, 50
- Regarding food production, global climate models have projected a _____% to _____% loss in currant cropland area.
- 44
- About _____% of US lakes tested as unsafe for fishing, swimming, and other recreational uses.
- waste storage lagoons, waste dumps, deep wells
- Sources of groundwater contamination include indusrial and livestock _____,abanoned hazardous _____, and _____ used to dispose of liquid hazardous waste.
- Reforestation
- _____ reduces soil erosion and pollution from sediment.
- malignant melanoma
- Individuals can be more susceptible to _____ ue ue to lfestyle choices or gene composition.
- dinoflagellates, calm, phosphorus, nitrogen.
- The pfiesteria piscida microbe can transform from algae eaters to fish-killing ____ when the water is _____, there is a plentiful supply of _____, and there is a plentiful supply of _____.
- 900,000
- Many fluctuations of several degrees centigrade best describes the earh's average surface temperature for the past _____ years.
- oxygen-demaning wastes
- One class of pollutants that can cause a population explosion of aerobic bacteria is _____.
- runoff
- The majority of the oil pollution of the ocean comes from _____.