average of the investigation‚ in terms of the treatments to be used and the materials to be used in the study. Background of the Study According to Harman (2007)‚ Trichoderma spp. are most prevalent culturable fungi that are present in soils and diverse habitats. They are suited to remediate oil-polluted environments. Specific fungus possesses biodegration potential to used oil like crude oil (Obire and Putheti‚ 2009). Morgan (2011)‚ Trichoderma has been shown to establish and proliferate
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------------------------------------------------- Genetically modified crops Genetically modified crops (GM crops‚ or biotech crops) are plants‚ the DNA of which has been modified using genetic engineeringtechniques‚ to resist pests and agents causing harm to plants and to improve the growth of these plants to assist in farmers efficiency. Genetic engineering techniques are much more precise[1] than mutagenesis (mutation breeding) where an organism is exposed to radiation or chemicals to create
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GEOS 3310 Lecture Notes: Water Pollution Dr. T. Brikowski Spring 2012 file:waterQuality.tex‚v (1.33‚ November 14‚ 2011)‚ printed March 30‚ 2012 Water Pollution 1 Introduction Water pollution is the “degradation of water quality as measured by biological‚ chemical‚ or physical criteria.” Common sources of groundwater pollution are listed in Keller [Table 14.3‚ 2011]. Typical pollutants include: • Oxygen-demanding waste: materials that produce a high BOD [Fig. 11.2‚ Keller‚ 2000]
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We discussed 17 topics regarding about biotechnology. The first topic is about the history of biotechnology. Biotechnology began 7000 BC. It is the application of scientific engineering principles to the processing of materials by biological agents to provide goods and services. It is also a technique that uses living organisms (or parts of organisms) to make or modify products‚ to improve plants or animals‚ or to develop microorganisms for specific uses. Karl Ereky is the one who coined biotechnology
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From encouraging urban sprawl through the ‘development’ of greenfields to their environmental impacts on soil‚ air and ground water‚ these properties are a drain upon the urban environment. Redevelopment of brownfields are complicated by the potential contamination of hazardous waste‚ heavy metals and pollution that has been left behind in the soil. Although this land can be used once the soil has been cleaned‚ landowners are not financially incentivized to do so and inevitably ‘sit’ on these properties
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động của những loại động vật này sẽ được định lượng bởi luminophore‚ một chất chỉ thị hòa tan‚ dạng hạt trơ. Typha latifolia‚ một trong những loài thực vật thủy sinh phổ biến‚ được Introduction: The accumulation of heavy metal contaminants in the soil caused by industrial activities and urbanization has been becoming a concern due to health risks to human and animals. Several methods are already being used
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3.1. Isolation and identification of Bacterial isolates An enrichment culture technique was used for the isolation of bacteria responsible for biodegradation of phorate in soil. Screening of these bacterial species for phorate degradation in liquid cultures in our previous study (Jariyal et al.‚ 2014)‚ resulted in identification of bacterial species B. aerophilus strain Imbl 4.1 ‚ Brevibacterium frigoritolerans strain Imbl 2.1 and Pseudomonas fulva strain Imbl 5.1. However‚ these bacterial species
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influences to humans. The effects of improper waste management to humans are contamination of soil‚ floods‚ extinction of plants and animals‚ air contamination and depletion of ozone layer. Firstly‚ the improper waste management will bring up contamination of soil that will bring harms to humans. Normally waste products that can be recycled will be buried underground‚ so that they could contaminate the soil surrounding it. Carcinogen is a substances that causes the breed of tumours or cancerous cell
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Geology Final Chapter 18 Mass Wasting (movement) Mass Wasting – process in which gravity pulls soil‚ debris‚ sediment‚ and broken rock (collectively known as regolith) down a hillside or cliff Avoidance – approach for avoiding a geologic hazard such as mass wasting by learning to recognize the characteristics of an unstable slope and by not building or engaging in other activities there * with growing population‚ people are now building communities with neighborhoods in places like stream
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hydraulic fracturing on water sources. With much controversy they say that hydraulic fracking is “subject to both federal and state regulations‚” and there “have not been any instances” where fracking has contaminated sources of drinking water
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