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Which among the following does not represent Point BMPs?
Infiltration basins
Constructed Wetlands
Rain Barrels
Grassed Swales
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- A soil consists of layers called that taken together are called a ________. soil profiles : horizon horizons : soil profile horizons : humus humus : soil profileWhich potential source of water pollution is a nonpoint source? Sewage treatment plant Electric power plant Active or inactive coal mine Logged forest FactoryA contaminated field has been seeded with plants that you are told have the ability to absorb toxic metals from the soil. This is an example of a chemical method physical method bioremediation measure gasification approach phytoremediation approach
- Soil erosion is a direct result of flooding. What is a secondary, positive result of flooding and erosion? property damage habitat destruction landslides fertile soil depositsExplain how streams can cleanse themselves andhow these cleansing processes can be overwhelmed.What is wastewater? Describe the state of streampollution in more- and less-developed countries.Give two reasons why lakes cannot cleanse themselves as readily as streams can. Distinguish betweeneutrophication and cultural eutrophication. Listways to prevent or reduce cultural eutrophication.Explain why groundwater cannot cleanse itself verywell. What are the major sources of groundwatercontamination in the United States? List ways to prevent or clean up groundwater contamination. Listsome ways to purify drinking water. Describe the environmental problems caused by the widespread useof bottled water.Please select any ten (10) of the following terms and provide brief, but complete definitions (1-2 sentences) of: Freshwater wetland, hydric soil, obligate hydrophyte, facultative hydrophyte, halophyte, oligohaline esturarine wetland, spring high tide, low salt marsh, zonation, N.W.I., Ramsar, wetland restoration
- It is especially important to prevent pollution within because water from throughout this region drains into lakes, rivers, or other bodies of water and degrades them. soils O watersheds groundwater aquifer bedrockCharacterize Waste stabilization ponds: past, present and future.A lake with low nutrient levels and very clear water is called eutrophic oligotrophic a dead zone a septic zone oxygen depleted
- Contrast and compare the microbial communities found in lotic systems with those in lentic systemsWhich lake zone would be absent in a very shallow lake with good clear water and light can penetrate the entire depth of the lake? aphotic zone benthic zone limnetic zone littoral zoneTemperate Semiarid Arid % mm % mm % mm Total precipitation 100 500-1,500 100 200-500 100 0-200 Surface evaporation 33 160-500 50 100-250 70 0-140 Groundwater recharge 34 160-500 20 40-100 0-2 Surface runoff 33 160-500 30 60-150 29 0-60 Data courtesy of Prof. François Zwahlen, Hydrogeology Center, University of Neuchâtel, Switzerland. The amounts of evaporation, groundwater recharge, and surface runoff differ among the different climate regions. Referring to the percentages given in the table, use the following dropdown menus to rank the variability of each component, from lowest to highest. Surface runoff < Groundwater recharge ▼ < Surface runoff Given these data, you can conclude that freshwater from precipitation is distributed unevenly v in the world. Which climate region will likely suffer the least with increasing freshwater shortages? O Arid regions O Semiarid regions O Temperate regions
