Essay 3 - Argumentative Essay Topic: Genetically modified food should be strictly controlled due to its various detrimental effects on the environment as well as human health. Every time we go to supermarkets or any grocery stores‚ we would not know whether the vegetables‚ fruits or even meats being sold are genetically modified. To make this situation worse‚ most consumers do not pay much attention to what they are eating‚ when they are actually devouring genetically engineered food. Despite
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Water Quality and Contamination Research and its Importance Ursurla L. C. Waller SCI 207 Dependence of Man on the Environment Professor Wayne Davis 2014 September 20 Abstract This report analyses the ability of ordinary substances to pollute water sources‚ filtration techniques‚ as well as the quality of tap and bottled waters. This report discusses the availability of clean water sources‚ factors that affects the quality of water‚ agents of water contamination‚ and how the earth naturally filters
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colour change‚ fertility‚ and erosion. It is caused by waste in the form of liquid or solid. Introduction to Land Pollution The presence of chemicals or other alteration in the natural soil environment Results in a change of the soil quality Affects the normal use of the soil Endangering public health and the living environment Causes of LAND POLLUTION 1. By poor agricultural practices Excessive use of fertilizers & pesticides. Farmers use fertilizers
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galvanizing iron with more than 50% of metallic zinc goes into galvanizing steel and in the preparation of certain alloys. Then‚ zinc is added during industrial activities such as mining‚ coal and waste combustion and steel processing. Some soils are heavily contaminated with zinc‚ and these are to be found in areas where zinc has to be mined or refined‚ or were sewage sludge from industrial areas has been used as fertilizer.
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H. sp. KHS3 is a moderately halophilic bacteria isolated from hydrocarbon-contaminated seawater of the Mar del Plata harbour (D’Ippólito et al.‚ 2011). In this work‚ we demonstrated that H. KHS3 can grow using different monoaromatic and polyaromatic compounds as the only carbon and energy source in a saline environment. Besides‚ we demonstrated for the first time the 4-HBA and BA degradation ability of H. sp. KHS3. Several Halomonas strains have been described as efficient aromatic compounds degraders
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The rain either soaks into the ground or turns into runoff to fill the streams and ponds. This cycle brings life to the planet. Humans‚ animals and plants depend on the constant refreshment of moisture. But‚ as humans have evolved‚ pollution has contaminated the precious water supply. The causes of pollution are sewage disposal‚ agriculture production‚ and oil production. With over seven billion people inhabiting earth‚ proper sewage disposal is vital. In many underdeveloped and developing countries
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2.1 Nutritional significance of Fruits in the Human Diet Fruits include a diverse group of plant foods that differ greatly in their energy and nutrients content‚ and form an important component of the human diet. They are excellent sources of nutrients‚ specifically essential vitamins‚ minerals‚ fiber and complex carbohydrate and also add variety to the diet all of which are needed to support a healthy body and mind (Slavin and Lloyd 2012). According to the World Health Report (2002)‚ low fruits
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eventually lead the population to die off. Bacteria can do the same‚ but also harm the water too. The bacteria can spread quickly from fish to fish‚ but it can also spread to the water and make it unhealthy. Different human pollutants in watersheds include soil‚ toxic waste‚ fertilizers‚ oil spills‚ landfills‚ industries‚ farms‚ pesticides and chemicals. Even animal waste can pollute water if washed in. Natural occurrences include acid rain‚ runoff from roads‚ lawns and etc. Watersheds can be harmed when
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FOUNDATION is the lowest supporting layer of a structure. * Purpose: Transfer the building load to the soil. * The size of the foundation is determined by the weight of the building and the load bearing capabilities of the soil. * When the load bearing capabilities of the soil is low‚ a footing is usually used. Types of Foundation 1. Shallows Foundations * Shallow foundations are those founded near to the finished ground surface; generally where the founding depth (Df) is less than
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directly impacts the biosphere. The majority of the human population demands meat and consumes meat products resulting to the large demand of meat. Additionally‚ pollution from factories and transportation allows alternate resources to become contaminated‚ such as food and water that animals need to survive. Lastly‚
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