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Ç°ÑÔUnit 1Part A Liquid fuelsPart B Environmental effects of obtaining liquid fuels from biomassPart C Biomass energy systemsUnit 2Part A Fossil fuelsPart B Energy usagePart C Wind power and photov01taic cellsUnit 3Part A Baeteria in soilPart B FungiPart C What controls the presence and expression of the biodegradation capability Unit 4Part A Taking a closer look at agrobiodiVe itythe value of dive ity and wildnessPart B The dive ity of lifePart C Plant resources evaluationUnit 5Part A Water£¬agriculture and the environmentPart B GroundwaterPart C Use of water in food and agricultureUhit 6Part A Major water compartmentPart B The world'S water crisisPart C Water resourcesthe hydrologic cycleUnit 7Part A Dimerior of land degradation and desertificationPart B Soil erosion and soil fertility in agricultural systemsPart C Co ervation tillageUnit 8Part A Percolation and leachingPart B DrainagePart C Types of water erosion and contrUnit 9 Part A Water pollution from agriculturePart B Water reusePart C Air pollutants and their effects on human healthUnit 10Part A Methods of waste disposalPart B Solid waste collectionPart C Sanitary landfillsUnit 11Part A Composting and source reductionPart B RecyclingPart C Sludge managementUnit 12Part A Getting rid of wastesbiodegradation and bioremediationPart B Bioremediation carried out in STPsPart C Bioremediation of petroleum wasteUnit 13Part A Microbes and metal contaminationPart B Bioremediation by whiterot fungiPart C Microbial processes for recovering and upgrading petroleumUnit 14Part A PhytoremediationPart B Phytoextraction using hyperaccumulator plantsPart C Phytotra formation enzymology and biochemistryUnit 15Part A Extra methane production from municipal anaerobic digeste Part B No more sludgePart C Sludge down profits upUnit 16Part A Sewage treatmentPart B A lowtech alternative to pollution controlPart C Air pollution controlUnit 17Part A The nitrogen cyclePart B The carbon cycle and energy flowPart C Chlorinated hydrocarbo establish cyclesUnit 18Part A The media of plant nutritionPart B The inorganic components of plantsPart C The inorganic components of plants£¨continued£©Unit 19Part A Kinetics of nutrient uptake by plant cellsPart B Induction and repression of tra port systemPart C Phosphate tra portUnit 20Part A Dream farmsPart B Sustainable development is possiblePart C Chinese ecological agricultureÁ·Ï°²Î¿¼´ð°¸Ö÷Òª²Î¿¼ÎÄÏ×