Cited: “Algal Oil Yields.” oilgae.com. Oilgae‚ n.d. Web. 16 December‚ 2012. . “Biodiesel from Algae.” oilgae.com. Oilgae‚ n.d. Web. 16 December‚ 2012. . Gabel‚ David A. “Why are we not Drowning in Algae Biofuel?” oilprice.com. Environmental News Network‚ 16 October
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produce high levels of biomass rapidly‚ they also take up large amounts of CO2 and give off large amounts of oxygen. What is the likely result of the increasing amounts of sediments and fertilizers in the major rivers emptying into oceans and affecting algal beds‚ reefs‚ swamps‚ and estuaries? A) Productivity in these areas will increase permanently‚ leading to more CO2 uptake and more oxygen released. B) Eutrophication‚ followed by hypoxia‚ is a likely result‚ ultimately leading to less CO2 uptake and
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E1 Primary Air Pollution Primary pollutants are pollutants that are added directly to the air. Primary pollutant Natural Source Man-made source Effect on health Methods of reduction Carbon monoxide (CO) Atmospheric oxidation of methane (plant degradation) CH4 + ½ O2 CO + 2 H2 Natural forest fires Incomplete combustion of fossil fuels C8H18 + 8 ½ O2 8 CO + 9 H2O Forest fires Prevents hemoglobin from carrying oxygen by forming carboxyhemoglobin Headaches Shortness of breath Unconsciousness Death
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Evaluate economic and environmental issues involved with farming practices that increase productivity. Farming is considered by many as the first major step towards civilisation. Without it we would all still be hunter-gatherers. Over the millennia farming has become steadily more efficient and productivity has increased. Better productivity is constantly sought after in an effort to reduce losses so more money can be made. Better productivity is defined as an increased rate of biomass creation
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Review of Related Literature HISTORY OF VERMICOMPOSTING Vermicomposting‚ as an industrial process‚ was originally developed to remove unwanted organic materials from the agricultural and industrial waste streams. The derived product: earthworm castings‚ is now recognized as a high value material which‚ when blended with soil‚ can restore soil tilth by correcting the imbalances caused by the over-utilization of petrol-chemical based fertilizers; thus enabling crops and plants to naturally combat pests
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a) Describe the physico-chemical qualities of water that are important to aquaculturists. Aquaculture can be defined as the high-density production of fish‚ shellfish and plant forms in a controlled environment. Stocking rates for high-density aquaculture are typically thousand fold greater than wild environments. Modern fish culturists employ both open and close systems to raise fish. Open systems‚ such as‚ the raceways are characterized by rapid turnover of water. Closed systems are commonplace
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------------------------------------------------- The Processes of the nitrogen cycle Nitrogen fixation Atmospheric nitrogen must be processed‚ or "fixed" (see page on nitrogen fixation)‚ in order to be used by plants. Some fixation occurs in lightning strikes‚ but most fixation is done by free-living or symbiotic bacteria. These bacteria have the nitrogenase enzyme that combines gaseous nitrogen with hydrogen to produce ammonia‚ which is then further converted by the bacteria to make their own organic
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NOTE: All information was obtained from the all-mighty internet. No real experimentation was done. This is was just a practice thing. We take no credit whatsoever from all the following stuff. We thank all the people who helped us indirectly‚ especially Gonzaga and Mendoza‚ whoever you are. May God bless your sweet souls and may peace and good fortune fill you for the rest of your lives. Please don ’t sue us. Oh‚ and we thank Google and all the people who helped build it and all the humans who shared
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WATER AS OUR NATURAL RESOURSE There are more than 326 million trillion gallons of water on Earth. Less than 3 % of all this water is fresh water and of that amount‚ more than two-thirds is locked up in ice caps and glaciers. With so much water around it seems like there is enough to see us through for millions of years. But did you know that even water‚ which seems to be in abundance‚ might one day become scarce? Each time you throw something as garbage‚ think of where it will finally end up. Whether
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Earth Systems Quarter 3 Credit Recovery Overview Reference textbook: Glencoe Earth Science (2008) + Ecology Module (2005 or 009) Pre-Assessment 3 English versions 1 Spanish version Answer keys Modules 12 Assignments 3 Labs 1 Answer Key document that includes all assignments and labs Final Assessment 3 English versions Answer keys Materials List For lab work. Most materials are re-useable‚ but there are a few consumable items that will need replacing. newspapers or old magazines‚ scissors‚
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